What holds the stars together in their galaxies? A. light B. orbits of the planets C. weight D. gravity

A car travels at an average speed of 65 mph for 10 hours how far did it travel A 65 miles. B 650 miles 10. Miles 6500 miles

a cheetah starting from rest accelerates at a rate of 2.5m/s^2 to reach a speed of 45 m/s. how fare does the cheetah travel

What must be included when describing the displacement of an object? Answer measurement and direction

What is the work done by gravity when a 2.0kg ball falls to the floor from the height of 1.50m? Is it positive or negative? Explain

The note "Middle C" is known to have a frequency of 261.6 Hz. What would be the frequency of a note one octave higher?

the half-life of carbon - 14 is 5730 years. What fraction of carbon-14 would remain after 11,460 years?

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field. What is the radius of the proton's resulting orbit

Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass

Drivers are able to see objects ahead of them because light travels through windshields.