Select the correct answer.

Which situation will have the highest resistance?

A. long wire and high temperature

OB. short wire and high temperature

C. long wire and cold temperature

D. short wire and low temperature

3 ways bacteria can be good

a motor pulls up a block suspended on a string, so that the tension in the string is equal to the qeight force on the block. the block has mass m, the distance raised is h and the power output of the motor is P.

When the temperature of the air is 25°C, the velocity of a sound wave traveling through the air is approximately A. 347 m/s. B. 332 m/s. C. 357 m/s. D. 320 m/s.

What happens to the total mass of a substance undergoing a physical change? It stays the same. It doubles. It triples. It is reduced.

Can the sum of two equal vectors be equal to either vector?

A net force of 30 N is applied to an object with a mass of 15 kg. The object accelerates at 2 m/s2. If half the force is applied, what happens to the acceleration?

A 770 n man stands in the middle of a frozen pond of radius 10.0 m. he is unable to get to the other side because of a lack of friction between his shoes and the ice. to overcome this difficulty, he throws his 1.

Which equation represents the total energy of a system?

The weight of a 100 N laser printer is spread over 0.5m2. What is the pressure it exerts? A) 50 N/m2 B) 200 N/m2 C) 500 N/m2

Comparing and contrasting ionic and covalent bonds?