Jcausey1592 Jcausey1592

19-12-2022
Physics

Answered

A car of mass 500 kg is moving at 10 m / s. The engine does work on the car and the speed increases to 16 m / s.
How much work is done by the engine to increase the speed of the car?
(A) 3000 J (B) 9000 J (C) 39 000J (D) 78 000J

Answer :

Other Questions

An 1,100 kg car navigates through a 90° circular curve on a flat road. The total arc distance is 120 m, and the car takes 8.0 s to make it through the curve whi

A four-cylinder gasoline engine has an efficiency of 0.22 and delivers 180 J of work per cycle per cylinder. The engine fires at 25 cycles per second. (a) Deter

If you know the wavelength of any form of electromagnetic radiation, you can determine its frequency because a) all wavelengths travel at the same speed b) the

The figure is a bird's-eye view of particles on a string moving in horizontal circles on a table top. All are moving at the same speed. Rank in order, from larg

An astronaut, floating alone in outer space, throws a baseball. If the ball floats away at a speed of 20 meters per second, the astronaut will a) move in the op

The drawing shows an arrangement in which a block (mass = 21.6 kg) is held in position on a frictionless incline by a cord (length = 0.700 m). The mass per unit

Use the model for projectile motion, assuming there is no air resistance and g = 32 feet per second per second. The path of a ball is given by the following rec

In this example we will see that time dilation is a rather small effect for reference frames in which u≪c. An airplane flies from San Francisco to New York (abo

In the figure, a block of mass m is moving along the horizontal frictionless surface with a speed of 5.70 m/s. If the slope is 11.0 degree and the coefficient o

A spacecraft flies away from the earth with a speed of 0,3 c relative to the earth and then returns at the same speed. The spacecraft carries an atomic clock th