How many joules are needed to change the temperature of 1 gram of water by 1 celcius?

Determine the maximum r-value of the polar equation r =3+3 cos 0

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg