What is the specific heat of an unknown substance if 2000 j of energy are required to raise the temperature of 4 grams of the substance 5 degrees celsius?

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

The amount of potential energy possessed by an elevated object is equal to

An airplane is flying with a velocity of 240 m/s at an angle of 30.0∘ with the horizontal, as the drawing shows. when the altitude of the plane is 2.4km,a flare is released from the plane. the flare hits the target on the ground. what is the angle θ?