An object is dropped from rest.

What is the acceleration after 3 s?

The acceleration of gravity is 9.8 m/s.

What type of acceleration does an object moving in circular path with constant speed experience

Select the correct answer. A body travels 10 meters during the first 5 seconds of its travel, and it travels a total of 30 meters over the first 10 seconds of its travel. What Its average speed during the time from t = 5 seconds to t = 10 seconds? A.

What is the surface temperature of a distant star having a peak wavelength of 475 nm?

What is the observed frequency of a siren with a frequency of 440 Hz moving towards you at 50 m/s? The speed of sound is 330 m/s.

If a body goes from 10 m/s to 50 m/s in 8 seconds, what is it's acceleration?

Is there such a thing as real time weather radar? why not?

Luke and Carrie are driving down a straight section of the interstate at 70 mph in Luke's new convertible. Carrie is drinking a soda in the passenger seat.

A force produces power p by doing work w in a time t. what power will be produced by a force that does six times as much work in half as much time?

A batter hits a baseball with a bat. The bat exerts a force on the ball. Does the ball exert a force on the bat?

In a nuclear power plant, the temperature of the water in the reactor is above 100°C because of what?