A block is pulled across a rough surface by a tension force 15 degrees above the horizontal. The surface exerts a force of friction of -12 N on the block. What is the force of tension needed to move the block at a constant speed? Round your answer to two decimal places

An object has a weight of 500 on earth what is the mass of this object

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?

The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?