Use hubble's law to determine the distance to a galaxy which is moving away at a velocity of 3,500 km/s. (assume that h = 70 km/s/mpc)

Answer quickly (15 points) a comet is approaching earth. describe earth’s gravitational pull as the comet gets closer to it. a. remain constant b. increase c. decrease d. reversed

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.