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Q1. A 485 kg sailboat has an acceleration of 0.50 m/s2 at an angle of 51° north of east. Find magnitude and direction of a net force that acts on the sailboat.
Q2. A 258-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.980, and the log has an acceleration of 0.760 m/s2. Find the tension in the rope.
A luminous point is moving at speed Vo toward a spherical mirror of radius R along its axis. What is the speed at which the image is moving
on april 22, D avid Ortiz of Boston Red Sox hit a home run on a 92mph fastball thrown horizontally from New York Yankee pitcher Masahiro Tanaka. compute the force exerted on the ball by the bat
A bicyclist rides 3.19 km due east, while the resistive force from the air has a magnitude of 8.83 N and points due west. Find the work done by the resistive force during the round trip
Light of wavelength 720nm falls on two slits and produces an interference pattern in which the fourth-order fringe is 46mm, What is the separation of the two slits
3 an observer in spaceship B obverses another spaceship A travelling with a velocity of 0.40 c relative to him. Both are moving in the +x-direction, how much time it takes the missile to reach you
1. Explain what is meant by baseband signal and baseband transmission. 2. Explain one approach for PWM modulation and detection (demodulation). Draw the required circuits and diagrams.
Spark plugs should be tightened to a specified torque of 9.28Nm. You have a wrench that is 0.39 m long, What force must you exert on the wrench
The motion of a piston in an auto engine is simple harmonic. If the piston travels back and forth over a distance of 10cm, calculate the maximum speed of the piston
Earth's radius is 6.37 106 m. Illustrate by what percent does the Moon's gravitational pull on you increase?
An object has a kinetic energy of 313 J and the momentum of magnitude 24.1 kg·m/s. Find out the speed and the mass of the object.
An unmarked police car travelling a constant 95 km/h is passed by a speeder travelling 145km/h. Precisely 1 s after the speeder passes, the police officer steps on the accelerator.
The masses of Chuck and Jackie are both m1. Chuck then picks up a motionless ball of mass m2, In the end, what is Jackie's speed with respect to Chuck
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