(a) calculate the magnitude of the gravitational force exerted on a 445-kg satellite that is a distance of 1.77 earth radii from the center of the earth.
(b) what is the magnitude of the gravitational force exerted on the earth by the satellite?
(c) determine the magnitude of the satellite's acceleration.
(d) what is the magnitude of the earth's acceleration?

Animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. reactivate d) a dog is getting hot in the sunlight, so he moves to a shaded area.

In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km.h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m