Please hel 5 min left (25 points) 1)Your bicycle has a mass of 7 kg. You accelerate at a rate of 2.45 m/s². What is the net force?

2.) A rocket accelerates at 65 m/s² with the force of 54,080 N. What is the mass of the rocket?

The density of a liquid could be found by using

•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?

Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?