Name two devices that use electromagnets. explain your purpose

An object placed in a graduated cylinder raises the volume from 12.2mL to 14.5 mL. Find the volume of the object

If 500 J of energy were added to 1 kg of each of these samples, which would experience the LEAST temperature increase? aluminum, Brass, Copper, Platinum

Since lower case m stands for both the prefix. milli and for unit for length meter, how do we tell which one is meant when they are used? A: a prefix is never used alone.

Explain how the earth is round and not flat

Shelli is a student describing the resonance of a metal beam. She demonstrates that the sound dims when the beam is vibrated at a certain frequency. What does she most likely say in response to the dimming sound?

You throw a rock straight up and find that it returns to your hand 3.40 s after it left your hand. Neglect air resistance. What was the maximum height above your hand that the rock reached?

Which statement about a right triangle is NOT true? CLEAR CHECK The hypotenuse is the longest side of the triangle. The square of the hypotenuse is equal to the sum of the squares of the other two lengths.

Seasons are a result of: Earth's rotation on its axis Earth's tilt on its axis global air circulation patterns global humidity circulation patterns

While competing in the olympics, an athlete hurls a discus with a velocity of 14 m/s at an angle of 51. what is the horizontal component of the discus's velocity?

2. A 1.00 x 103 kg sports car accelerates from rest to 25.0 m/s in 7.50 s. What is the average power output of automobile engine? a. 20.8 kW b. 30.3 kW C. 41.7 kW