vnguyen9057 vnguyen9057

21-12-2022
Physics

Answered

A car increases its speed, changing its kinetic energy from 60,000 j to 80,000 j. assuming no friction, how much work is done by the car’s engine to cause this change?

Answer :

Other Questions

a car accelerates from rest at a rate of 20 m/s2. how far will the car have traveled by the time it reaches a speed of 30 m/s?

a 1700 kg car takes a 50-m-radius unbanked curve at 14 m/s . what is the size of the friction force on the car?

A 12kg object is being pushed to the right by a 25n force. The coefficient of friction between the object and the surface is 0. 15. What is the force of frictio

what should be the spring constant k of a spring designed to bring a 1200-kg car to rest from a speed of so that the occupants undergo a maximum accel- eration

what is the linear speed of its tip at this angular velocity if the plane is stationary on the tarmac?

when the speed of a rear-drive car is increasing on a horizontal road the direction of the frictional force on the tires is:

b.what is the experimentally determined coefficient of friction between your friction block and your chosen surface? is this a reasonable value? explain your an

A student wants to explore the potential energy stored in a system of two magnets. A. Describe a procedure that would increase the potential energy of two magne

a simple harmonic oscillator has an amplitude of 2.0 cm and a maximum speed of 13.0 cm/s. wht is its speed when the displacement is 1.00 cm?

For a particular nonlinear spring, the relationship between the magnitude of the applied force f and the resultant displacement x from equilibrium is given by t