Given that the specific heat of water is 4.18 kJ / (kg·°C), how much heat does it take to raise the temperature of 3.5 kg of water from 25°C to 55°C?

The body's defense against germs and diseases is called

A two-stage rocket moves in space at a constant velocity of + 4890 m/s. The two stages are then separated by a small explosive charge placed between them. Immediately after the explosion the velocity of the 1380-kg upper stage is + 5660 m/s.

What color dose red cabbage jusice turn into when its mixed with white vinegar

Which of the following is a difference between sound and light? 1. Humans can only detect light, not sound 2. Only light travels as a wave 3. Sound travels faster than light 4. Only light can travel through space, not sound

A steel piano string of mass per unit lenght 4*10-⁴kgm-¹ was struck, if the speed of the sound on the string is 300ms-¹. Calculate the tension.

A ball is dropped from rest from the top of a building. what force is responsible for the downward motion of the ball?

Which of these forces in carbon-14 isotopes transforms a neutron into a proton? gravitational forces electromagnetic forces weak nuclear forces strong nuclear forces

Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are moving toward one another, the first having a mass of 130,000 kg and a velocity of 0.

Cellular telephones use a. radar waves b. very high frequency waves c. very low frequency waves d. microwaves

Why didn't the astronauts land on the moon math worksheet answers?