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

A 0.690 kg snowball is fired from a cliff 8.25 m high with an initial velocity of 10.3 m/s, directed 32.0° above the horizontal. (a) Using energy techniques, find the speed of the snowball as it reaches the ground below the cliff.

Restate Newton's first law in terms of the acceleration

Would u hit me up? yes or no

25. Explain why the speed of sound is faster in solids than in gases. Include two other factors Chapter 17 says the speed of sound can depend on.

Explain the roles of products, reactants, and limiting reactant in chemical reaction.

12. Too much socializing in the workplace can

What magnetic field strength is needed in each magnet to steer protons around the ring with a speed of 4.5 * 107 m/s? Assume that the field is uniform inside the magnet, zero outside.

The parts of a longitudinal wave that are closet together?

If a basketball travels a distance of 4 meters in 5 seconds, what is its average speed? A. 4 meters / second B. 0.8 meters/second C. 1.2 meters/second D. 5 meters/second

Discuss the correlation or connection between stars with a higher mass and the amount of fuel they have to work with