Calculate the work done to stop this bus. cellular. Double-decker buses are used for mass transport in the United Kingdom, Europe, Asia and many former European possessions, the best-known example being the red London bus, namely the AEC Routemaster.. 20 pound mass to kg = 9.07185 kg. An experiment to test acceleration is shown in figure below, the mass of the bus =2700 kg, the wheels (4 off) are assumed to be cylinder of 1.6 m diameter each having a mass of 60 kg. (See also braking distance).. To answer this question we need to calculate how much kinetic energy the car has before we can calculate how much force is needed to stop the car. Q26. Favorite Answer. âºâº Quick conversion chart of pound mass to kg. (i) Calculate the total mass of the bus, the driver and the 73 passengers. So . 30 pound mass to kg = 13.60777 kg One of the most important things about the mass of a car, is the fact that the heavier it is, the safer it for the occupants, and vice versa. A school bus has a mass of 18,200 kg. (neglect friction) Answer Save. (b) runs carrying the box with a speed of 3 m s-1 to catch the bus? bus momentum. Formula. If a car has a mass of 800 kg and moves with a velocity of 25 m/s, what force is needed to stop the car in 50 metres? I know 1 car has a mass of 1000 kg, therefore 25 cars will have a mass of 25000 kg. A runner with a mass of 62kg running at a speed of 0.8m/s. How much energy is gained by a box of mass 20 kg when a man (a) carrying the box waits for 5 minutes for a bus? Mass of gun, m2 = 5 kg. The mass of a minibus with the driver is 1.50×10^3 kg.Assume that the passengers have an average mass of 50.0kg each.The driver is moving at a speed of 30.0m.s^-1 when he notices that the traffic lights ahead have turned to red.He applies a force of 9000N on the brake pedal. 5 years ago. In fact, the mass and safety of a car are said to be directly proportional, so a 2000 kg car is twice as safe as a 1000 kg â¦ A bus of mass 1 0 0 0 k g has an engine which produces a constant power of 5 0 k W. If the resistance to motion, assumed constant is 1 0 0 0 N, find the maximum speed at which the bus can travel on level road and the acceleration when it's travelling at 2 5 m / s. Asked by parthmalikschool | 24th Nov, 2020, 12:45: AM. Early double-deckers put the driver in â¦ If the trailer is not fitted with brakes, 750kg Gross Trailer Mass (GTM) Trailer mass terminology explained ATM, GTM and Tare Weight . State with reason which one will come to stop first. Complete the following: a. A car that travels at a speed of 20m/s and has a mass of 1200 kg. Weight Calculator of Copper Busbar, Copper Coil, Tube, Plate, Rod, Wire and Sheet. A 10g bullet travelling at 200 m/s strikes and remains embedded in a 2kg target which is originally at rest but free to move. 1 pound mass to kg = 0.45359 kg. Answer: Mass of bullet, m1 = 10g = 0.01 kg. A bus is taking some children to school. 1 Answer. Recoil velocity, v2 = ? The calculation formula used for this tool is: m = F g / g. Symbols. I now have to convert kilograms to tonnes. 5 pound mass to kg = 2.26796 kg. â¢ Mass of vehicle in running order: the mass of the unladen vehicle in running order including coolant, oils, 90% fuel, 100% other liquids, except used waters, tools, spare wheel and driver (75 kg), and for busses and coaches, the mass of the crew member (75 kg) if there is a crew seat in the vehicle. A bus contains a 1500 kg flywheel (a disk that has a 0.600 m radius) and has a total mass of 10,000 kg. Answer Save. Questions; Physics. 25000 kg = 25 tonnes. A year 11 pupil with a mass of 55kg swinging back on their chair and falling off it at a speed of 0.6m/s. The calculator will also provide a conversion scale which is auto-updated each time a new value is entered or a different unit is selected. A bus contains a 1580 kg flywheel (a disk that has a 0.55 m radius) and has a total mass of 11000 kg. How fast must a 0.142-kg baseball move in order to have the same momentum as the bus? Therefore, v2 = 6 m/s. Mass of bullet (m) = 10 g = 0.01 kg Initial velocity of bullet (u) = 150 m s-1 (ii) Applaying, F = ma Force acting on bullet (F) = 0.01 kg × (-5000 m s-2) = -50 N Minus sign denotes that wooden block exerts force in the direction opposite to the direction of motion of bullet. Dear Student, Work done = Kinetic energy of bus. (a) Calculate the angular velocity the flywheel must have to contain enough energy to take the bus from rest to a speed of 20.0 m/s, assuming 90.0% of the rotational kinetic energy can be transformed into translational energy. * Statement of the given problem, * * How much force is required to stop a bus (in 10 seconds) of mass of 5000 kg moving at a speed of (72 km/hr = 72*5/18 =) 20 m/s ? find the force applied to Stop the bus. the man. â¦ Free Online Copper Busbar Weight Calculator on SMI Copper Website. The average mass for a middle-aged human is about 68 kg, of which one third is in the legs below the hip. How fast is the centre of mass of the system of two vehicles moving ? If both drivers... A bus of mass 5,000kg and a car of mass 1200kg are both travelling on a dual carriage way at the same velocity. A car a mass of 2000 kg is moving around a circular curve at a uniform velocity of 25m per second the curve has a radius of 80m what is the centripetal force on the car? The total mass of an average car may be about 1500 kilograms. 2. A bus of mass 10,000 Kg is moving with a velocity of 60 Km/h. A double-decker bus is a bus that has two storeys or decks. The mass of 25 average cars is 25 tonnes . Time : 4 sec ,mass : 7000 kg, velocity : 36 km / hr. A bus of mass 10,000 kg is moving with a velocity of 90km/h. A bus of 2400 kg is moving on a straight road with a speed of 60 km/h. 10 pound mass to kg = 4.53592 kg. Solution for A bus with mass 3.50 x 102 kg, including passengers, has an engine that produces a net horizontal force of 7.70 x 102 N, after accounting forâ¦ Relevance. Lv 5. 1) at the starting point from rest. Energy Transfer. (g = 10 m s-2) * Let F denotes the required force (in N) to stop the bus. find the momentum of the bus. Assuming no slippage and mass A= 150 kg. An electron ( mass = 9.11×10â31 kg) leaves one end of a TV picture tube with zero initial speed and travels in a straight line to the accelerating grid, which is 1.85 cm â¦ (a) â¬â¬â¬â¬The bus has to stop a few times. A tennis ball travelling at a speed of 46m/s with a mass of 0.58kg. Answer to: A bus having a mass of 3000, kg is moving at 30, m/sec . The figure below shows the distanceâtime graph for part of the journey. Ans The mass of the bus m 1 10000 Kg The mass of the car m 2 5000 Kg The from STATISTICS 100 at Indian Institute of Technology, Chennai At what speed does the target move off? The bus moves at 16.5 m/s.? find the net force required to do this. Work and Energy Calculations.. What Force is Needed to Stop a Moving Car?. pball=mball x vball Lv 6. a bus of mass 10000kg with a velocity of 90 km/h. calculate work done to stop the bus . Share 1. mass of the bus = 10,000 Kg velocity = 60 Km/h = 16.67 m/s work required to stop the car = change in kinetic energy therefore, work done= final kinetic energy - â¦ Find the work done to stop the bus .. Share with your friends. The bus has 73 passengers. The mass of 25 average cars is 25000 kg. A bus of mass 5,000kg and a car of mass 1200kg are both travelling on a dual carriage way at the same velocity. This tool calculates the mass of an object from the measured weight and local gravity for the required geo location. Type in your own numbers in the form to convert the units! If both drivers apply the same breaking force. A school bus with a mass of 5040 kg acceleration on level ground from 15.5m/s to 28.7m/s in 34.1s.? The average mass of a riding horse is about 500 kg, of which about 6% is in the neck and head. A car of 1600 kg is following the bus with a speed of 80 kn/h. p_bus= m_bus x v_bus =18,200 x 16.5. basball momentum. The average mass of each of the passengers is 65 kg. a=v/t. F=ma. A bus contains a 1500 kg flywheel (a disk that has a 0.600 m radius) and has a total mass of 10,000 kg. The bus and the driver have a combined mass of 16 000 kg when there are no passengers in it. Enter the Specific Values of A&B to get the weight per meter of the rods in Brass and Copper 2 Answers. Share 0. 10 years ago. m1v1 = m2v2. Question 15. Share with your friends. (c) Raises the box by 0.5 m in order to place it inside the bus? (a) Calculate the angular velocity the flywheel must have to contain enough energy to take the bus from rest to a speed of 20.0 m/s, assuming 90.0% of the rotational kinetic energy can be transformed into translational energy. (c) A bus is travelling along a straight road. Use this page to learn how to convert between pound mass and kg. m = 1580 kg r = 0.55 m m t = 11000 kg v 1 = 22 m/s v 2 = 2.8 m/s (a) Calculate the angular velocity the flywheel must have to contain enough energy to take the bus from rest to a speed of 22 m/s in rad/s, assuming 90.0% of the rotational kinetic energy can be transformed into translational energy. ( answer is - 1750â¦ Get the answers you need, now! Relevance. The maximum weight of a trailer is specified as either its Aggregate Trailer Mass (ATM) or Gross Trailer Mass (GTM). Velocity of bullet, v1 = 200 m/s. Answers Calculation formula used for this tool calculates the mass of 62kg running a... Time a new value is entered or a different unit is selected measured and!, kg is moving with a speed of 20m/s and has a mass bullet! ( c ) Raises the box with a mass of 1000 kg, of which one come... Car that travels at a speed of 0.6m/s Share with your friends F... Centre of mass 10,000 kg is mass of bus in kg with a mass of the?. 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