A car goes 78 m to the righty and then 22 m to the left. It makes this trip on 35 seconds. A. What is the total distance travelled in meters? B. What is the average velocity?
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Q: by
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A: Given: length L = 1 m Mass m = 0.5 kg
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A: Force=F=24.4 NAcceleration=a=0.72 m/s2
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A:
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- Two people play tug of war. The 100-kg person on the left pulls with 1,200 N, and the 70-kg person on the right pulls with 800 N. Assume that neither person releases their grip on the rope with either hand at any time, assume that the rope is always taut, and assume that the rope does not stretch. What is the magnitude of the tension in the rope in Newtons?A bungee cord has a 100g mass hanging from it. What is the tension in the bungee cord?A runner starts at 10m/s and after 3 seconds is running at 4m/s. What is the net force that the runner is pushing himself forward with? M = 80kg.
- Ben and Jerry each pull on a 2kg rope. Ben pulls left with 15N and Jerry pulls right with 19N. What is the acceleration of the rope?A 5000 kg truck traveling 30 m/s comes to a stop. The coefficient of friction between the tires and the road is 0.80. What is the acceleration of the truck? What is the stopping distance?Marcel pushes a 5kg box to the right with a force of 105 N and his friend Sharon pushes 60 N to the left against the same box. The surface is frictionless. Calculate the acceleration of the box.
- Inertia is… A The amount of an applied force. B The resistance of any physical object to be stopped. C The measure of an object's resistance to be moved. D The resistance of any physical object to any change in its state of rest or motion.A rope is used to pull a 11 kg block across the floor with an acceleration of 3 m/s2. If the frictional force acting on the block is 54 N, what is the tension in the rope?A rocket engine produces a force of 8,750,000 N. If the rocket accelerates at 3,500 m/s2. What is the mass of the rocket?
- An object has a mass of 50 kg and is accelerating at 20 m/s2 when it hits a brick wall. What is the force applied to the brick wall?A crate has a mass of 27 kg. What applied force is required to produce an acceleration of 3 m/s2 if the frictional force is known to be 80 N?A 15kg box is pushed on a table with 20 Newtons of force. A frictional force of 5N opposes the motion of the box.What is the net force acting on the box?