Which must be present in order to call study scientific

For a moon orbiting its planet, r p is the shortest distance between the moon and its planet and r a is the longest distance between the moon and its planet. What is a moon's orbital eccentricity if r p is equal to 0.27r a? A. 0.57 B. 0.27 C. 0.48 D.

An automobile with an initial speed of 5.99 m/s accelerates uniformly at the rate of 2.7 m/s squared find the final speed of the car after 4.9s

Most of the Earth's water is found in the rivers and lakes. t or d

If a force of 22 N is applied to an object with a mass of 6 kg, the object will accelerate at

Analyze the formula W = mg to explain how an objects weight can change even when its mass remains constant.

In which one of the following situations is zero net work done? A) A ball rolls down an inclined plane. B) A physics student stretches a spring. C) A projectile falls toward the surface of Earth.

Object dropped from height of 25 meters, what velocity will it hit the ground?

How can the time period of a pendulum be decreased or increased

A space probe is sent to the vicinity of the star Capella, which is 42.2 light-years from the earth. (A light-year is the distance light travels in a year.) The probe travels with a speed of 0.9930c.

ngrid kicks a football with an initial velocity of 12 m/s at an angle of 45° relative to the ground. The horizontal component of the initial velocity to the nearest tenth is m/s.