An object in free fall is dropped from a building. Its starting velocity is 0 m/s. Ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds

If a wave has a wavelength of 4m and a frequency of 2.5hz what is the velocity of the wave

Which is the independent variable "year" or "degrees Celsius"?

Two spheres are 1.02 km apart. one of the spheres has a mass of 57.0 kg, and the force of attraction between the spheres is 1.79 x 10-14 n. calculate the mass of the other sphere.

The main difference between kinetic energy and potential energy is that

What is a control, constant, independent variable, and a dependent variable in a science experiment?

When a pendulum swings if not continuously pushed it will stop eventually because some of its energy is changef into what energy

How does a car's kinetic energy change when it speeds up from 10 to 20 m/s? a. It quadruples. b. It stays the same. c. It doubles. d. It triples.

A boulder on the mythical planet mongo drops off a cliff and falls from rest 1000 m in 10.0 s. (A) what's the initial speed of the Boulder? (B) determine the acceleration due to gravity on mongo. Ignore friction.

The half-life of carbon-14 is 5730 years. How long will it take for the number of carbon-14 nuclei in a sample to drop to a quarter of the original number? Enter your answer as a number years

Which object has more thermal energy a bowl of soup or pot of soup