mona4281 mona4281

12-12-2022
Physics

Answered

A car of mass 1500 kg has a speed of 20 m/s. It accelerates until its speed is 25 m/s.
What is the increase in the kinetic energy of the car?
A 19 kJ
B 38 kJ
с
170 kJ
D
340 kJ

Answer :

Other Questions

Messi shoots a shot on goal with a speed of 200m/s. A. What is its kinetic energy if the ball has a mass of 0.7kg? B. How does its kinetic energy change if the

A 20-g bead is attached to a light 120 cm-long string as shown in the figure. If the angle a is measured to be 18°, what is the speed of the mass? A) 1.3 m/s B)

Question 30 A kilogram is a measure of an object's O Gravit O Weight O length O Mass

The primary blast cell for bone is the O hemangioblast O fibroblast O chondroblast O osteoblast O hemocytoblast Which of the following is NOT a type of co

in a closed system, an object with a mass of 10 kg moves at a velocity of 5.4 m/s. it collides with a second object that has a mass of 12 kg and that is moving

a 5.0 kg block is set into motion up an inclined plane as shown in the figure with an initial speed of 8.0 m/s. the block comes to rest after traveling 3.0 m al

please answer!! please!! what is x= -3+2t-2t²

A microwave has a frequency of 90 GHZ. What is the energy of electromagnetic radiation from the microwave?

What is the mass of an airplane that is flying at 246 m/s and has a momentum of 1.968 x 107 kg-m/s? Show your work.

A spacecraft can be regarded as a uniform cylinder, 1 m in diameter and of mass 250 kg. It is spinning about its cylindrical axis with a period of 3 s. (a) What