715 J of heat are transferred from

a 1.30 kg aluminum block to a

0.800 kg iron block. Find the

temperature change for the iron.

What is the acceleration of an object moving at a constant speed?

Name two energy transformations that occur as Gabriella heats a bowl of soup in the microwave

Which phenomenon generates electric current? A black body radiation B ultraviolet catastrophe C emission spectra D photoelectric effect

What are the three types of bones cells types and what are their function

Amanda places her water bottle in the freezer to cool down the water. She leaves it for an hour. Upon returning, she finds the water has frozen.

While playing with her 5 year old cousin, a Physics 135 student pushed him forward on his scooter. She pushes with a force of 50 Newtons for 3.5 seconds. If the boy and the scooter together have a mass of 30 kg, what is their final velocity? a. 2.

3. A 120.0 V generator supplies 3.0 kw of power. How much current ca the generator deliver?

An apple drops from a tree and hits the ground in 1.5s what is its speed just before it hits the ground?

Sound travels slow in cold air. Why does the speed of sound depend on air temperature?

A tow truck pulls a 500 kg car so that the car accelerates 2 m/s2. What is the net force on the car? 250 N 498 N 1000 N 502 N