A ball rolls down a hill with a constant acceleration of 3.0 m/s.

a. If it starts from rest, what is its speed at the end of 4.0 s?

b. How far did the ball move in that 4.0 s?

The difference in emf between the primary coil of a transformer and the secondary coil is directly related to the relative number of turns in the coils. True or False?

What is a resistance training method that involves performing a set with light load followed by increasing the load and decreasing the repetitions with each continuing set?

17. 1 micrometer (1 µm) equals: A. 10-^3 m B. 10-^6 m C. 10^3 m D. 10^6 m

A car applies a force of 20,000 N downward towards the street. How much force does the street apply on the car?

What is the shear modulus of liquid

Suppose s (t) is the position of an object moving along a line at time t is greater than or equal to 0. What is the average velocity between the times t=a and t=b? What is the instantaneous velocity at t=a?

Estimate how long it would take one person to mow a football field using an ordinary home lawn mower. suppose that the mower moves with a 1-km/h speed, has a 0.5-m width, and a field is 360 ft long and 160 ft wide. 1 m = 3.281 ft.

Badri makes the table below to review the factors that affect the electric force between objects. Which change will correct the error in Badri's table?

A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.48 au and an eccentricity of 0.08. what is the aphelion distance of the new planet

A weather balloon is inflated to a volume of 2.2 x 10^3 L with 374 g of helium. What is the density of helium in grams per liter?