Physics Homework Questions and Answers

A cheetah is hiding in the bushes and spots a gazelle sprinting along at 17.0m/s. When the gazelle passes him, the cheetah takes off after the gazelle with a constant acceleration of 3.00m/s2. How lng will it take the cheetah to overtake the gazelle? How A dropped wad of clay having a mass of 0.5kg was traveling at 9m/s just before it hit the ground and stopped.what is the change in momentum of the wad? A plane traveliing 500 meters high drops a bottle which lands 400 meters away on a hroizontal angle. how fast is the plane traveling? A red colored ball tossed upward reaches a maximum height of 3.0m. show that the initial speed is 7.7m/s Squared A steel ball bearing has a mass of 57.4 grams. Find the diameter to the nearest millimetre?density steel =7930kgm-3 Acceleration An object in free fall requires 1.8 seconds to travel the last 25 miles before hitting the ground. From what height did the object fall? How does a bicycle tyre pump work? Idil\'s momentum is 110 kg-m/sec when she walks at 2m/sec. what\'s her mass? If explores where headed south toward a pole traveling at 50km the first day then they stop at 30km due to a snow storm and then the nest day travel at 65km. what was the explores displacement? What are the laws govering soccer What is momentum the product of? When 1st and 3rd law can be derived from 2nd law then what is the importance of 1st and 3rd law? Why convex are fixed on very sharp turns of the mountains? You throw a basketball by exeting a force of 20 newtons. according to newton\'s third law, there is another 20-newton force created in the opposite direction. if there are two equal forces in opposite directions, how does the ball accelerate? Ask a new question for this subject Back to subject index