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Q1. A toolbox is carried from the base of the ladder at point A. The toolbox comes to a rest on a scaffold 5.0 m above the ground. What is the magnitude of the displacement of the toolbox in its movement from point A to point B?
Q2. A block of ice at 0 degrees C, whose mass is initially 30.0 kg, slides along a horizontal surface, starting at a speed of 5.56 m/s and finally coming to rest after travelling 21.8 m. figure out the mass of ice melted (in grams) as a result of friction between the ice and the horizontal surface.
Your roommate is an aspiring novelist. Because you are taking physics your roommate asks your opinion on a matter of physics. How many drops per second are keeping the annoyed protagonist awake
Mercury has a mass of 3.30 1023 kg and a radius of 2.44 106 m. Assume it is a uniform solid sphere. What is the rotational kinetic energy of Mercury on its axis
The heating coil of a hot-water heater has a resistance of 20.0 and operates at 210 V. If electrical energy costs $0.080/kWh, what does it cost to raise 290 kg of water in the tank from 15 °C to 74° C.
At t = 0, a rectangular coil of resistance R = 1.6 ? and dimensions w = 3 cm and L = 8 cm enters a region of constant magnetic field B = 1.7 T directed into the screen, find the force required at time t = 0.8 sec to maintain this velocity
A point charge +6.7 uC is placed at the origin, and a second charge -3.6 uC is placed in the X - Y plane at (0.40 m , 0.55 m ). Where should a third charge be placed in the plane
The electric field at a distance o f0.145m from the surface of a solid insulating sphere with radius 0.355m is 1750 N/C. Calculate the electric field inside the sphere at a distance of 0.200m from the center
A square with ½-meter long sides has +1 nC at the top left corner, +2 nC at the bottom right corner, Calculate the components of the Electric field at the top left corner add each contribution separately
question1a block of mass m1 4 kg moves from rest under the influence of a varying force fx 4x 38 where f is in
What is the pressure at the bottom of a swimming pool which is 12ft deep and contains fresh water.
4m, 32 degrees east of north 57.3m, 36 degrees south of west 17.8m, straight south. calculate the resultant displacement vector
Illustrate a new gravitational potential energy
Baseball scouts often use a radar gun to measure the speed of a pitch, What will be the increase in frequency if these waves are reflected from a 60.0mi/h fastball headed straight toward the gun
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