Questions LLC
Login
or
Sign Up
Ask a New Question
Physics
Mechanics
Kinematics
Find the mass of a car traveling at a velocity of 60 m/s north.The car has 54,000 J of kinetic energy.
1 answer
since KE = 1/2 mv^2, just solve for m in
1/2 m * 60^2 = 54000
You can
ask a new question
or
answer this question
.
Related Questions
A 10,000 kg railroad car traveling north at 10 m/s collides with a 5,000 kg rail car also moving north but at an unknown speed.
You are traveling in your car at a velocity of 24.0m/s east when you slam on your brakes. The
force of friction on your car tires
A car of mass 120kg moving with a velocity of 30m/s overtake and collide with another car of mass 100kg moving with at
Car A, with mass of 1735kg, was traveling north at 45.5km/h and car B, with a mass of 2540kg, was traveling west at 37.7km/h
Two cars collide head on. Initially, car A (m= 1700.0 kg) is traveling at 10.00 m/s north and car B is traveling at 25.00 m/s
A car (mass = 750 kg) is initially moving with velocity 30 m/s. The driver slowly presses on the brakes and bring the car to a
a compact car has mass 725 kg and is moving at 100 km/h.
a) find its momentum b) at what velocity is the momentum of a larger
A 1000·kg car traveling with a velocity of 13·m/s north collides head-on with a 2000·kg truck traveling with a velocity of
A truck is traveling at 16 m/s to the north. The driver of a car, 500 m to the north and traveling south at 25 m/s, puts on the
A 2700 kg car traveling to the north is slowed down uniformly from an initial velocity of 29.8 m/s by a 7540 N braking force