An automobile with a mass of 1000 kg is moving north on a level highway with a constant velocity of 80 km/h. What is the net force acting on the automobile?
here velocity is constant of automobile. so
a = 0
F = ma = 0
net force acting on automobile is ZERO.
An automobile with a mass of 1000 kg is moving north on a level highway with...
1. a. A truck of mass 2000 kg is moving with a velocity of 20 m/s. If on applying brakes, the truck stops after coming to a distance of 40 m, find the retarding force? b. A car of mass 1000 kg moving with a velocity of 90 km/h collides with a tree and comes to stop in 10 s. What is the change in momentum of the car? What is the force applied by the tree to stop the...
The friction force (including air friction and rolling friction) acting on an automobile traveling at 65 km/h amounts to 500 N.What slope must a road have if the automobile is to roll down this road at a constant speed of 65 km/h (with its gears in neutral)? The mass of the automobile is 1.5*10^3 kg.
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A crane is lowering a 1000 kg scaffolding with a constant velocity. What is the net force acting on the scaffolding?
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An automobile has a mass of 1200 kg. What is its kinetic energy, in kJ, relative to the road when traveling at a velocity of 50 km/h? If the vehicle accelerates to 100 km/h in 15 seconds, what is the change in power required?
An object (A) of mass m A = 29.0 kg is moving in a direction that makes angle of 40° north of east with a speed v A = 5.10 m/s, while object (B) of mass m B = 17.5 kg is moving due north with a speed v B = 7.85 m/s. The two objects collide and stick together in a completely inelastic collision. Find the magnitude of the final velocity of the two-object system after the collision. An...
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A small compact car with a mass of 1000 kg is traveling north towards an intersection at a speed of 15 m/s. A truck with a mass of 2000 kg is traveling east at 10 m/s on the cross street approaching the same intersection. The two vehicles collide and stick together. a. What is the magnitude and direction of the velocity of both vehicles after the collision? b. How much energy was lost during the collision?
A 2200-kg car is moving with an initial velocity of 72 km/h. After 12 seconds the car has slowed down to 27 km/h. What is the net force that produces the deceleration?