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A 5cm radius sphere is filled with a uniform volume charge with charge density 2.3\times10-6C/m3, Calculate the electric flux out of the surface of the cube
A wheel of radius 160 cm is has an angular velocity of 400 radians per minute. What is the linear velocity of the wheel in kilometers per hour
The surface temperature of the start Betelgeuse is 3500K. Assume Betelgeuse radiates as a perfect blackbody. what is the energy of each of these photons
A bomber is flying horizontally over level terrain at a speed of 260 m/s relative to the ground and at an altitude of 2.60 km. At what angle from the vertical was the bombsight set
A golf ball of mass 0.045 kg is hit off the tee at a speed of 35m/s . The golf club was in contact with the ball for 3.90×10?3s. Find the impulse imparted to the golf ball
A car travels due east with a speed of 42.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. Find the velocity of the rain with respect to the following reference
A sphere of mass 3.00 g is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes a constant angle of 28.0° with the vertical. Determine the tension in
A girl delivering newspapers covers her route by traveling 10.00 blocks west, 4.00 blocks north, What is her resultant displacement
On an air track, a 402.0g glider moving to the right at 2.25m/s collides elastically with a 498.0g glider moving in the opposite direction at 2.90m/s. Find the velocity of second glider after the co
A sledge loaded with bricks has a total mass of 17.9 kg and is pulled at constant speed by a rope inclined at 20.3° above the horizontal. What is the mechanical energy lost due to friction
A 15.0kg bucket of water is suspended by a rope of negligible weight that is wrapped around a solid cylinder 0.300m in diameter, What is the tension in the rope while the bucket is falling
Block A is dropped from a height of 2 m. An identical block B slides frictionlessly down a ramp of height 2 m inclined at 30°. Which block is travelling fastest at the bottom of the ramp
By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, find the masses of pieces 1 and 2
An airplane has a mass of 3.0*10^6 kg and air flows past the lower surface of the wing at 96 m/s, how fast must the air flow over top of the wing
Two rectangular pieces of plane glass are laid one upon the other on a table. A thin strip of paper is placed between them at one edge, Find the angle of the wedge
For a movie scene, a 75kg stuntman drops from a tree onto a 55kg sled that is moving on a frozen lake with a velocity of 15m/s toward the shore, What is the speed of the sled after the stuntman is o
A catapult on a cliff launches a large round rock towards a ship on the ocean below. calculate the speed at which the rock is launched
A hydrogen atom is in the n = 22 state. Use the Bohr model of the hydrogen atom, find the potential energy of the atom
The work done in accelerating a flywheel from rest to an angular speed of 14.8 revolutions per second is 12.4 kJ. What is the moment of inertia of the flywheel
Draw a complete rigid body diagram for a boom of a crane. Given, it is hanging clockwise, with a mass hanging from it as well
A skater of mass 86.0 kg initially moves in a straight line at a speed of 4.70 m/s. what is the skater's final velocity
A 3.0-cm-diameter parallel-plate capacitor with a spacing of 0.300 mm is charged to 500 V. What is the total energy stored in the electric field
Ask a A projectile is fired with an initial speed of 66.4m/sat an angle of 37.6? above the horizontal on a long flat firing range. Determine the direction of the projectile 1.32s after firing
An object has a kinetic energy of 310 J and a momentum of magnitude 22.1 kg · m/s. Find the mass of the object
Consider a circuit with two resistors in parallel; R1=10 Ohm and R2=5 Ohm, Calculate the total current flowing through the battery