How much heat does it take to raise the temperature of 7.0 kg of water from

25-C to 46-C? The specific heat of water is 4.18 kJ / (kg.-C).

Use Q = mcTr-T)

A. 148 kJ

B. 176 kJ

C. 610 kJ

D. 320 kJ

How does an airplane engine work?

2 rocks of different masses roll down a hill at the same speed which rock has more kinetic energy small one or big one?

Briefly explain what water is. in your explanation include what a water molecule is, what elements makes up water and draw a molecule structure of the water molecule

What is a force and what units are used to measure force?

A car travels over a dirt road that contains a series of equally spaced bumps (a so-called "washboard" road). While traveling at a given speed the driver experiences a very jarring ride.

A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage to 425 kV.

Match the example to the type of equipment category it fits best in. A Gym bag, workout clothes, hygiene essentials, proper shoes, water, ipod. B Hockey Stick Baseball Glove. Basketball. Pads. Helmet.

Energy transformations in a bouncy house

High voltage power is often carried in wire bundles made up of individual strands. In your initial post to the discussion, discuss the forces on the strands of wire due to the current flowing through them.

The climate of an area is based on A) Rivers and lakes B) natural resources. C) mountain and valleys. D) Precipitation and temperture