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A kicker punts a football from the very center of the field to the sideline 36 yards downfield. The magnitude of the net displacement of the ball is 46 yards. (A football field is 58 yards wide.) What is the direction of the net displacement of the ball?
A steel washer is suspended inside an empty shipping crate from a light string attached to the top of the crate, What is the coefficient of kinetic friction between the ramp and the crate
Sam's job at the amusement park is to slow down and bring to a stop the boats in the log ride. how much work does Sam do to stop it
A 5 oz baseball is thrown in the air so that when it is at its highest point, it is traveling sideways at 50.0 ft/sec. what will be the speed of the baseball when it drops back down to the level of the field
Sources A and B emit long-range radio waves of wavelength 330 m, with the phase of the emission from A ahead of that from source B by 90°. find the magnitude of the phase difference at the detector
A block with mass m = 4 kg is sinking with constant acceleration aT = 1.9 m/s2 into the ground. The acceleration due to gravity is g = 9.81 m/s2. In what direction is the normal force
A string is 41.0 cm long and has a mass of 3.00 g. A wave travels at 4.20 m/s along this string. what is the speed of a wave along the second string
An osprey's call is a distinct whistle at 2200 Hz. An osprey calls whereas diving at you, to drive you away from her nest. You hear call at 2220 Hz. How fast is the osprey approaching.
question1a 27 kg chair initially at rest on a horizontal floor requires a 377 n horizontal force to set it in motion.
A parallel-plate air capacitor is made by using two plates 19 cm square, spaced 3.5 mm apart. It is connected to a 3-V battery. What is the electric field between the plates
A 56.0 resistor is connected in parallel with a 117.0 resistor. This parallel group is connected in series with the 27.0 resistor. The total combination is connected across a 15.0 V battery. What is the current of the 117 resistor? What is the power ..
A constant force of 50 N is applied tangentially to the rim of a solid disc with a 60 cm radius. The wheel has a moment of inertia of 40 kgm^2. What is the mass of the disc
A metal block measures 5.65 cm x 2.97 cm x .92 cm and has a mass of 127.7 g. When lowered into water with a vertical orentation (standing on end) Determine the difference in water pressure between the bottom and top of the block
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