vertically into the air. The mass of the ball is 2.0 kg. Determine how high the ball will be launched.
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- A spring with spring constant k=600 N/m is compressed by 10 cm and launches a ball vertically into the air. The mass of the ball is 2.0 kg. Determine how high the ball will be launched.
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- A 0.50 kg football is kicked from ground level with an initial velocity of 13.0 m/s [F 37° U] (37° above the horizontal axis). It is caught at a height of 2.0 m. If you assume that there is no interference and that the ball is on the way back down after having reached maximum height, how far will the ball travel horizontally before it is caught? 1.A 5 kg block is given an initial velocity of 10 m/s. If there is a friction force of 13 N opposing the motion of the block, how far will the block move before coming to a rest?An object of a mass of 2.5-kg is launched upwards, with an initial speed of 39 m/s. How fast is the object traveling after falling back to its original launch height? Assume that there is no air resistance.
- A hockey puck with mass 0.166 kg is pushed across the ice with a constant force of 0.89 N. The coefficient of kinetic friction between the puck and the ice is 0.22. After a distance of 2.6 m, what is the puck's speed in m/s?A student launches a small rocket which starts from rest at ground level. At a height of h = 1.8 km the rocket reaches a speed of vf = 342 m/s. At that height the rocket runs out of fuel, so there is no longer any thrust propelling it. Take the positive direction to be upward in this problem B: After the rocket's engine turns off at a height of h = 1.8 km, it continues to move upward due to the velocity that it reached. What is the rocket's acceleration, in meters per second squared, during the period from engine shutoff until it returns to the ground? Ignore air resistance. C: Calculate the maximum height, in meters above ground level, that the rocket reaches.A heavy ball with a weight of 150 N (m = 15.3 kg) is hung from the ceiling of a lecture hall on a 4.6-m-long rope. The ball is pulled to one side and released to swing as a pendulum, reaching a speed of 5.6 m/s as it passes through the lowest point. What is the tension in the rope at that point?
- A box of mass 10.2 kg is slid along the floor. The initial speed of the box is 2.5 m/s and it comes to rest after 8.1 m. What was the magnitude of the force of friction acting on the box during this motion? You must enter you answer and include the SI units. (For example: 3.0kg)Children slide down a frictionless water slide that ends at a height of 1.80 m above the pool. 1.80 m If a child starts from rest at point A and lands in the water at point B, a horizontal distance L = 2.31 m from the base of the slide, determine the height h (in m) of the water slide.A dog with a mass of 59.0 kg slides down a wet slope with negligible friction. The dog starts from rest and has a speed of 4.00 m/s at the bottom. What is the height of the slope (in m)?
- A clever coyote uses rocket powered skates to try to catch a roadrunner. The mass of the coyote is 38.1 kg. If the coyote starts from rest, and accelerates to a final speed of 26 m/s in a distance of 2.4 m, how much thrust force did the rockets excert to get him to his final speed? Assume this thrust is constant over the 2.4 m.A block with mass m = 14.9 kg slides down an inclined plane of slope angle 18.8o with a constant velocity. It is then projected up the same plane with an initial speed 2.95 m/s. How far up the incline will the block move before coming to rest?Problem 10: While watching the clouds pass by, you notice a European swallow flying horizontally at a height of h = 21.95 m. When the swallow is directly overhead, it drops an m = 10.5 kg coconut. Refer to the diagram. From your ornithological studies, you know that the air-speed of this particular species of swallow, while carrying such a load, is vo = 6.93 m/s. Neglect air resistance. Assume that your head is at the origin of the coordinate system. Part (a) Calculate the magnitude, in kilogram squared meters per second, of the angular momentum of the coconut, as observed by you, at the moment it is released directly overhead. L = 1597.19 L= 1597 V Correct! Part (b) Let 7 be the time-dependent position vector of the coconut with time measured from the instant it was released by the swallow. Enter an expression for its horizontal component as a function of time. r(1) = vot v Correct! Part (c) Enter an expression, in unit vector notation, for the time-dependent velocity vector, v(1), of…