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A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.01 m, 4.12 m) while a constant force acts on it. The force has magnitude 1.54 N and is directed at a counterclockwise angle of 100° from the positive direction of the x axis. How much work is done by the force on the coin during the displacement?
Describe the interference of two wave pulses with different amplitudes if they are a) in phase and b) completely out of phase
In Larry Niven's science-fiction novel Ringworld, a rigid ring of material rotates about a star. The inhabitants of this ring world live on the starlit inner surface of the ring, What is the length of a year on this planet
A force vector has a magnitude of 584 newtons and points at an angle 45o of below the positive x axis. What are (a) x scalar component and (b) y scalar component of the vector.
An athlete at the gym holds a 1.2 kg steel ball in his hand. His arm is 64 cm long and has a mass of 4.0 kg. Evaluate the magnitude of the torque about his shoulder if he holds his arm straight, but 30 degrees below horizontal?
A 18.0cm × 18.0cm square loop of wire lies in the xy-plane with its bottom edge on the x-axis. The resistance of the loop is 0.530?. What is the size of the induced current in the loop at t = 0.550s
Cooling water from a river flows through the condenser (the low-temperature heat exchanger) at the rate of 1.2×108L/h (?30 million gallons per hour). If the river water enters the condenser at 18?C, what is its exit temperature
A 94.07 cm-long steel string with a linear density of 1.02 g/m is under 273.01 N tension. find the wavelength of the sound wave that reaches your ear
A 2.00-m tall basketball player is standing on the floor 10.0 m from the basket. If he shoots the ball at a 40 degree angle from the horizontal, at what initial speed must he throw the ball so that it goes through the basket without striking the b..
The magnitude of vector vector A is 31.6 units and points in the direction 321° counterclockwise from the positive x-axis. find out the x-component of this vector.
A wooden block with mass 1.15kg is placed against a compressed spring at the bottom of a slope inclined at an angle of 28.0?, Calculate the amount of potential energy that was initially stored in the spring
a 184x astronomical telescope is adjusted for a relaxed eye when the two lenses are 1.20 m apart. what is the focal length of the objective
The space shuttle releases a satellite into a circular orbit 700 km above the Earth, How fast must the shuttle be moving (relative to Earth's center) when the release occurs
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