Interim Physics

Which one of the following quantities is scalar?

What is the final speed of an object that starts from rest and accelerates uniformly at 4.0 meters per second² over a distance of 8.0 meters?

The components of a 15-meters-per-second velocity at an angle of 60.^o above the horizontal are

What is the time required for an object starting from rest to fall freely 500. meters near Earth's surface?

A baseball bat exerts a force of magnitude F on a ball. If the mass of the bat is three times the mass of the ball, what is the magnitude of the force of the ball on the bat?

A 2.0-kilogram mass is located 3.0 meters above the surface of Earth. What is the magnitude of Earth's gravitational field strength at this location?

A truck, initially traveling at a speed of 22 meters per second, increases speed at a constant rate of 2.4 meters per second² for 3.2 seconds. What is the total distance traveled by the truck during this 3.2-second time interval?

A 15-kilogram cart is at rest on a horizontal surface. A 5-kilogram box is placed in the cart. Compared to the mass and inertia of the cart, the cartbox system has

The height of a 30-story building is approximately

A 1.0 x 10³-kilogram car travels at a constant speed of 20. meters per second around a horizontal circular track. The diameter of the track is 1.0 x 10² meters. The magnitude of the car's centripetal acceleration is