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Q1. A 362 g object is attached to a spring and executes simple harmonic motion with the period of 0.200 s. If the total energy of the system is 6.71 J.
Find out the maximum speed of the object.
Q2. Two point charges, Q1= -23 microC and Q2= 52 microC, are separated by the distance of 12 cm. The electric field at point P is zero (which is to the left of Q1). How far from Q1 is P?
What is an average speed of the runner
Find out the angular velocity
A 0.180 kg baseball, travelling 32.0 m/s, strikes catcher's mitt that recoils 13.0 cm in bringing the ball to rest. What was an average force (in newtons) applied by the ball to the mitt.
What is an initial velocity of the boulders
Find density of the object
What is an acceleration of two falling sky divers (mass 120.0 kg including parachute) while the upward force of air resistance is equal to one-fourth of their weight.
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.
Find the force exerted by the plane on the pilot
A cube of ice is taken from the freezer at -8.0°C and placed in a 97 g aluminium calorimeter filled with 286 g of water at room temperature of 20°C. The final situation is observed to be all water at 19°C. What was the mass of the ice cube.
The diodes are oppositely oriented, so that when one diode is forward-biased, the other is back-biased. Which phrase best describes the current in the circuit.
What is the coefficient of static between crate and incline
Find the angle with respect to the ground
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