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A 2.3 box, starting from rest, is pushed up a ramp by a 10 force parallel to the ramp. The ramp is 2.0long and tilted at 17 . The speed of the box at the top of the ramp is 0.80 . a. How much work does the force do on the system? b. What is the change in the kinetic energy of the system? c. What is the change in the gravitational potential energy of the system? d. What is the change in the thermal energy of the system?
A sport utility vehicle (SUV) and a sports car travel around the same horizontal curve. The SUV has a static stability factor of 0.80 and can negotiate the curve at a most speed of 18 m/s without rolling over.
Runner A is initially 6.80 km west of a flagpole and is running with a constant velocity of 2.6 km/h due east. Runner B is at first 3.80 km east of the flagpole and is running with a constant velocity of 8.20 km/h due west. What will be the distan..
A tennis player receives a shot with the ball of mass 0.058kg travelling horizontally at v=45 m/s and returns the shot with the ball travelling horizontally at 51 m/s in the opposite direction.
Calculate the amount of work (in electron-volts) it would take to move an electron from 11.6 to 13.4 away from a +3.50 point charge.
A 64 Ω resistor is connected in parallel with a 115 Ω resistor. This parallel group is connected in series with a 20 Ω resistor. The total combination is connected across a 15V battery.(a) Find the current in the 115 Ω resistor.(b) Find the power ..
A chair of weight 130 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 45.0 fixed at an angle of 39.0below the horizontal and the chair slides along the floor.
compute the accelerations experienced by the blood.
An archer puts a 0.54 kg arrow to the bowstring. An average force of 202 N is exerted to draw the string back 1.3 m. suppose that air resistance is negligible.
Calculate the minimum angle above the horizontal at which Hiawatha must aim in order to outrun the arrow.
An 11.00 kg crate is placed on a horizontal conveyor belt. The materials are such that static friction = 0.47 and kinetic friction = 0.24.
A rifle with a barrel length of 58 fires an 11 bullet with a horizontal speed of 370. The bullet strikes a block of wood and penetrates to a depth of 15.
How much charge passes through the hair dryer. Find the magnitude of the magnetic field at the center of the square.
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