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Q. A particle with a mass of 1.6 × 10-20 kg is oscillating with simple harmonic motion with a period of 3.5 × 10-5 s and a maximum speed of 1.8 × 103 m/s. Calculate (a) the angular frequency and (b) the maximum displacement of the particle.
Q. Two cars have a head-on collision. Both were traveling at 42 m/s toward each other. Car A has a mass of 722 KG. Car B has a mass of 848 KG. After impact, car A is moving backward at 2 m/s. What is car B's velocity after impact?
Speedboat A negotiates a curve whose radius is 150m. Speedboat B negotiates the curve whose radius is 190m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
A spring with constant k=15 N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. it is then pulled down 6 cm and free. if the ball makes 30 oscillations in 20 seconds, what are its maximum speed.
On a dry day, just after washing your hair to remove natural oils and drying it in detail, run a plastic comb through it. Small bits of paper will be attracted to the comb. Describe why.
A moving body undergoes uniform acceleration while travelling in a straight line between points X, Y and Z. The distances XY and YZ are both 40m. The time to travel from X to Y is 12s and from Y to Z is 6s.
Calculate the verage speed and time lead by the runner using the definition of average speed.
Determine the tension in each string
How to find the position and height of an image
A cylinderical water tank of radius 10ft and height 30ft is half filled with water. How much work is essential to pump all of the water out through a hole in the top of tank.
If the pump outlet is blocked and the handle pushed until internal length of the pump cylinder is 21, by how much does the air temperature rise? Suppose that no heat is lost.
Ricardo walks 22.0 in a direction 50.0 west of north. Jane walks 20.0 in a direction 30.0 south of west. They after that stop and turn to face each other.
Find the mans rate of sweat production
A krypton laser produces a cylindrical red laser beam 3mm in diameter with 4W of power. What is the light intensity on a wall 5.0 m away from the laser.
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