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A 30 kg child rides a 9 kg sled down a frictionless ski slope. At the bottom of the hill, her speed is 7 m/s. If the slope makes an angle of 15° with the horizontal, how far did she slide on the sled?
An airplane is flying with a velocity of 246 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.7 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle ..
Suppose that two carts, one twice as massive as the other, fly apart when the compressed spring that joins them is released. How fast does the heavier cart roll compared with lighter cart
A squirrel falls from a very tall tree. Initially at t= 0), the squirrel is at the top of the tree, a distance y 50 m above the ground. Estimate the average velocity of the squirrel
A hollow, spherical shell with mass 1.90kg rolls without slipping down a slope angled at 40.0 degree. Part A Find the acceleration. Take the free fall acceleration to be g = 9.80m/s^2 Part B Find the friction force. Take the free fall acceleration to..
During a physics experiment, helium gas is cooled to a temperature of 19.0K at a pressure of 6.00×10?2atm. find the rms speed of the atoms
A 2.16 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0320 m. The spring has force constant 840 N/m.
Write a paper follow below instructions: -the three classes of pumps which are, positive displacement, momentum transfer and entrapment
If the string is wrapped to the pulley and a downward Force is applied to the string
The liquid level system shown in the below figure is initially at the steady state with the inlet flow rate at 1 cfm. Calculate the maximum & minimum values of the output.
A boat with a speed of 10.0 m/s aims directly across a 250-m-wide river. If the water current is 2.00 m/s, how far downstream will the boat be when it reaches the other side
q1. a superconducting solenoid is to be designed to have an interior field of b 29t with a maximum current of i1000a.
A horizontal wire of length 0.50 m, carrying a current of 6.7 A, is placed in a uniform external magnetic field. When the wire is horizontal, Determine the magnitude of the external magnetic field
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