A log with a mass of 15 kg is on free fall from the top of a mountain. When it is at a height of 28 m from the ground level, it has a velocity of 70 m/s. a. What is its mechanical energy at this position?

A narrow is used to slow the flow of electron in a circuit. You would write the amount current is slowed using what units A. Volts B. ohms C. amps D. dergees

A box slides down a 30.0° ramp with an acceleration of 1.20 m/s^2. Determine the coefficient of kinetic friction between the box and the ramp.

This is a subatomic particle with no charge and a mass of 1 amu.

3. Alpha Centauri A and B are Sun-like stars, and together they form the binary star Alpha Centauri AB. Alpha Centauri A has 1.1 times the mass of the Sun while Alpha Centauri B has 0.907 times the Sun's mass. (Sun's mass is 1.989 x 1030 kg.

We observe that a moving charged particle experiences no magnetic force. from this we can definitely conclude that

A satellite is in a circular orbit about the Earth at a distance of one Earth radius above the surface. What is the speed of the satellite? (The radius of the Earth is 6.4 * 106 m, and G = 6.67 * 10-11 N⋅m 2 / kg2.)

What is the meaning of the washing motion of the younger monk? is it the same when dobbins does it?

A teacher pulls a box of books on a horizontal floor with a force of 290 N directed 40.9 degrese above the horizontal. the coefficiant of kinetic friction between the box and the floor is 0.184. the mass of the box and books is 44.5 kg.

The dark colored belts on jupiter are brighter than the surrounding regions and the light colored zones when viewed in infrared or heat radiation because

Which is a characteristic of centripetal acceleration? It is directed outward from the center of a circle. It is directed inward, toward the center of a circle. It results in an object moving faster. It results in an object moving slower.