What is the potential energy for and object with mass of 15 Kg and 20 m above the ground?

A person on a diet loses 1.6 kg in a week. How many micrograms/second (µg/s) are lost?

The speed is represented by Question 17 options: the ratio of the change of position to the time interval during the change. the absolute value of the slope of a position-time graph. the instantaneous velocity. the time interval.

An electric heating element is connected to a 110 V circuit and a current of 3.2 A is flowing through the element. How much energy is used up during a period of 5 hours by the element

Why did rutherford say that bombarding atoms with particles was like playing with marbles

What kind of simple machine is a swing

A person of 83 kg is in an elevator. If the elevator is moving at a speed of 5 m/s, what's the person's kinetic energy? Keep 4 significant figures a 1,004 J b 1,038 c 1,280 J d 980 J e 1,435 J

What two equations can be used to determine the speed of a wave

Which force has an infinite range and is always attractive?

A ramp with a mechanical advantage of 8 lifts objects to a height of 1.5 meters how long is the ramp

Sodium, atomic number 11, forms an ionic bond with an atom of an unknown element. What is one possible choice for the ther element in the compound?