613 (2) Calculate the energy released when your protors Jeased into
double jonized félrun. Given, mass of 1H2-9.007825 ema
G geº, 0.000549 anos
mass of
2 Hel. 9.0026 04 omu.
mas

The force will determine the acceleration.

Asled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slidesa distance d1 down the slope and then covers the distance d2 alongthe horizontal terrain before stopping. find the coefficient ofkinetic friction μk between the sled and the ground, assumingthat it is constant throughout the trip. find the coefficient of kinetic frictionμk. express your answer in terms of someor all of the variables d1, d2, and θ.

When doing scientific research ,the sources used should be ?