A sprinter accelerates from rest to 9.00 m/s in 1.38 s. what is her acceleration in (a) m/s2; (b) km/h2?

How do satellites stay in orbit?

A uniform steel beam has a mass of 1800 kg. on it is resting half of an identical beam, as shown in fig. 9-44. what is the vertical support force at each end? left end n (upward) right end n (upward)

Which statement is the best definition for gravity? A. Gravity is the natural force that causes objects to move toward the center of the Earth. B. Gravity is a force that pulls objects toward the South Pole of the Earth C.

What does the stomach acid have in protein digestion

Complete the passage to summanze factors affecting the speed of a wave The matenal or substance that a wave moves through is called a The medium affects the speed of the wave that passes through it one factor that affects the speed of a wave is the

Which electromagnetic wave has the shortest wavelength? (A. Radio waves b. X-rays c. infrared rays or d. Visible light)

Which mixture can be separated based on differences in particle size of the components

What happens in an open circuit

When analyzing forces, it is allowable to break the motion and forces into horizontal and vertical components.

What is the density of a rock which has a mass of 35 grams and a volume of 7.0 cubic centimeters?