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A 5.00 kg chunk of ice is sliding at 13.0 m/s on the floor of an ice-covered valley when it collides with and sticks to another 5.00 kg chunk of ice that is initially at rest. Since the valley is icy, there is no friction. After the collision, how high above the valley floor will the combined chunks go? (Hint: Break this problem into two parts-the collision and the behavior after the collision-and apply the appropriate conservation law to each part/ Answer should be in meters.)
q1. a hockey player makes a slap shot exerting a constant force of 30.4 n on the hockey puck for 0.12 s. what is the
A long solenoid that has 1,105 turns uniformly distributed over a length of 0.452 m produces a magnetic field of magnitude 1.00 10-4 T at its center
A rifle with a weight of 20 N fires a 3.5-g bullet with a speed of 250 m/s. (a) Find the recoil speed of the rifle. Incorrect: Your answer is incorrect. Your response differs from the correct answer by more than 10%. Double check your calculations. m..
Two particles are fixed to an x axis: particle 1 of charge -4.18 × 10-7 C is at the origin and particle 2 of charge +4.18 × 10-7 C is at x2 = 13.9 cm. what is the magnitude of the net electric field
You have 30 tuning forks that oscillate at close but different frequencies. What are the minimum number of different beat frequencies you can produce by sounding the forks 2 at a time
A 0.50 microF and a 1.4 microF capacitor (C1 and C2, respectively) are connected in series to a 15-V battery, Calculate the potential difference across each capacitor
A rock is thrown vertically upward with a speed of 14.0m/s from the roof of a building that is 50.0 m above the ground. Assume free fall. In how many seconds after being thrown does the rock strike the ground? What is the speed of the rock just befor..
In 2.0 minutes, a ski lift raises 5 skiers at constant speed to a height of 140 m. What is the average power provided by the tension in the cable pulling the lift
A string that is fixed at both ends has a length of 1.81 m. When the string vibrates at a frequency of 84.3 Hz, a standing wave with five loops is formed. What is the fundamental frequency of the string
A patient is undergoing open-heart surgery. A sustained current as small as 25μA can be fatal. find the minimum voltage that poses a danger to the patient
How many kilometers per liter will a car obtain if its engine is 25 percent efficient and it encounters and average force of 1000 Newtons? Suppose the energy content of gasoline is 40,000,000 joules per liter (J/L).
An object is placed to the left of a lens, and a real image is formed to the right of the lens. What is the focal length of the lens
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