Which of the following is a scalar quantity?

O A. 8 km/hr down

O B. 45 ft to the right

O C. 100 ft/min

O D. 25 m/s south

A fallen tree rose 2.75 m. Find the work done?

What can fall but never get hurt

Why is gravity important in the solar system

What do you mean by negative acceleration? can an accelerating automobile starting from rest have a negative acceleration

Two kittens are sleeping in a sunny spot. they are relying mainly on what kind of heat transfer?

3. Calculate the amount of current through a 45-watt light bulb that is connected to a 120-volt circuit in your home.

Are oranges called oranges because oranges are orange, or is orange called orange because oranges are orange?

An object at rest has no net force acting on it. a. True b. False

A baseball has mass 0.145 kg. (a) If the velocity of a pitched ball has a magnitude of and the batted ball's velocity is in the opposite direction, find the magnitude of the change in momentum of the ball and of the impulse applied to it by the bat.

A long distance runner has an average speed of 4m/s during a race. How far does the runner travel in 20 minutes?