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Q1. A block of mass 2.7 kg being released from rest on a 1m frictionless plane, inclined at an angle of 40 degree. The block sided down the inclined and struck second block mass of 3.7 kg. If the two blocks stick together, with what speed would they move immediately after the impact?
Q2. A typical Major League fastball is thrown at approximately 96 mph and with a spin rate of 109 rpm. If the distance between the pitcher's point of release and the catcher's glove is exactly 60.05 ft, how numerous full turns does the ball make between release and catch? Neglect any effect of gravity or air resistance on the ball's flight.
On a frozen pond, a 11.3 kg sled is given a kick that imparts to it an initial speed of v0 = 1.69 m/s. Use the work kinetic energy theorem to find the distance the sled moves before coming to rest
A car is traveling north at 17.7m/s. After 12s its velocity is 14.10m/s in the same direction. Find the magnitude and direction of the car's average acceleration.
A tank, full of liquid of depth h, and top surface area A, is at rest on a frictionless table. Find the radius of the hole in terms of the h, k, ?, x, and g the acceleration of gravity
A lens of focal length +1.25 cm is used as a simple magnifier by holding outside the eye. what is the angular magnification
Assuming you can't use the electric heater, you put 0.2kg of water at 20(C) in a thermous. If you move the water up and down a height 10cm twice/second, how long must you shake the water to raise the temperature to 100(C)?
You want to create an electric field at location. where would you place an electron to produce this filed at the origin
A 237 g mass is connected to a light spring of force constant 3 N/m that is free to oscillate on a horizontal, frictionless track. What is the maximum acceleration of the mass
A dog running in an open field has components of velocity v_x = 3.2 m/s and v_y = -2.1 m/s at time t_1 = 11.6 s. For a time interval from t_1 = 11.6 s to t_2 = 19.7 s, the average acceleration of the dog has magnitude 0.30 m/s^2 and direction 35.0..
A car dealer claims that his product would accelerate at a constant rate from rest to a speed of 200 km/hr in 8s. What approximate distance will the car travel.
Find the magnitude of the electron acceleration. Under an influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the drive force is shut off, the snowmobile coasts to a halt.
A steel aircraft carrier is 385 m long when moving through the icy North Atlantic at a temperature of 1.65°C. By how much does the carrier lengthen whereas it is travelling in the warm Mediterranean Sea at the temperature of 23.30°C.
While traveling along a level highway at a speed of 27m/s you shift the vehicle into neutral and find it takes 45 second to slow down to 20 m/s mile per hours.
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