A 900 kg car accelerates 2 m/s2 to the right. What is the net force acting on the car?

1800 N to the left

450 N to the right

450 N to the left

1800 N to the right

According to our theory of solar system formation, what are asteroids and comets?

An imaginary lines which cuts earth half horizontally

How is the mass of a liquid substance affected after it boils? A. It increases. B. It decreases. C. It stays the same.

The ancient indian game of chaturanga, from which the modern game of chess was derived, was played on a board with 64 squares.

You have a magnet that you can turn on and off with a switch. What type of magnetism are you using? A. Induced magnetism B. Electromagnetism C. Contact magnetism D. Permanent magnetism

An object is moving but we don't know its mass or velocity. A force of 20 newtons to the right is exerted on the object for 20 seconds. What is the (vector) change in linear momentum for the body as a result of this impulse?

Which friction-reducing technologies are used in the Variable Compression Turbo Engine?

A quadraphonic car stereo operates on electric current provided by the car's 12V battery and is connected in series. Each channel of the stereo, which feeds the electrical signal to one of the stereo's four speakers, has a resistance of 4.1 oums.

A cement block accidentally falls from rest from the ledge of a 15.0m high building. When the block is 14.0m above the ground, a man who is 1.71m tall looks up and notices that the block is directly above him.

a cricket ball is thrown vertically upward with an intial velocity of 4ms-1 find. a. Its velocity after three second. b. maximum height attained and the time taken to reach it