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Physics Questions
Consider an airless, non-rotating planet of mass M and radius R. An electromagnetic launcher standing on...
a 1200 kg frictionless roller coaster starts from rest at a height of 24 m. what...
A 10 kg medicine ball is thrown at a 40 kg ice-skater at rest. If the...
An electromagnetic wave in a vacuum traveling in the +x direction generated by a variable source...
A horizontal pipe widens from a radius of 0.150 m to 0.280 m. If the speed...
A 33 N-m torque is applied to a flywheel that rotates about a fixed axis. How...
The car's 12 V battery is composed of six individual 2 V cells. The individual cells...
What radius of curvature must the two spherical surfaces of a biconvex lens with surfaces having...
If you place a domino and a die on a board and slowly begin to raise...
In 1780, in what is now referred to as "Brady's Leap," Captain Sam Brady of the...
A pellet gun is fired straight downward from the edge of a cliff that is 25.2...
When the air temperature increases, the wave-length of the sound from the tuning fork (1) increases...
Two large parallel conducting plates of area 0.24 m2 are separated by a distance of 0.5...
A solid steel cylinder is standing (on one of its ends) vertically on the floor. The...
Given that the average intensity of a solar electromagnetic wave that hits our atmosphere is 1367...
Two point charges, 3.4 μC and -2.0 μC , are placed 5.0 cm apart on the...
A microscope has a 2.2 −cm -focal-length eyepiece and a 0.50 −cm objective. Assuming a relaxed...
Imagine that we construct a motor using a coil consisting of 300 turns of wire wound...
A heat engine operates at 100 C and the room temperature is 23 C. By heating...
A 45.0-kg girl is standing on a 156-kg plank. The plank, originally at rest, is free...
An insect 3.00 mm tall is placed 20.0 cm to the left of a thin planoconvex...
The ideal battery (emf, LaTeX: \varepsilon ε ) in the circuit shown has a terminal voltage...
A 0.428 kg mass is attached to a spring with a force constant of 26.4 N/m...
A spring has a natural length of 0.1250 m and a spring constant of 2550 N/m....
When a charged particle moves at an angle of 27.2 degrees with respect to a magnetic...
Consider this, cars built way back then were built in solid, rigid frames while today cars...
On a thin rod of length L lying along the x-axis with one end at the...
A 65 kg skydiver can be modeled as a rectangular "box" with dimensions 21 cm ×...
You are standing in an elevator with a 20.0 kg child on your shoulders. The elevator...
A machine costing Rs.80,000 would reduce to Rs.20,000 in 8 years. Find the rate of yearly...
When the Moon is directly overhead at sunset, the force by the Earth on the Moon,...
A cylindrical aluminum block will be used in this experiment. If the block has a length...
A 70.0 Hz generator with an rms voltage of 145 V is connected in series to...
After being accelerated to a speed of 1.72×105 m/sm/s , the particle enters a uniform magnetic...
In a water pistol, a piston drives water through a larger tube of radius 1.30 cm...
The resistivity of a wire depends on which of the following? (A) The physical dimensions of...
A softball is hit over a third baseman's head with some speed v0 at an angle...
Ex 4: A block is attached to one end of a horizontal spring with a constant...
A 0.231-kg volleyball approaches a player horizontally with a speed of 12.2 m/s. The player strikes...
A 60.6-kg skateboarder starts out with a speed of 2.25 m/s. He does 106 J of...
The escape speed from a distant planet is 47 km/s. If the acceleration of gravity on...
A 96.2 cm long straight section of wire is located entirely inside a uniform magnetic field...
A Ford passes a Toyota on the road (both vehicles are traveling in the same direction)....
A feedwater heater operating at steady state has two inlets and one exit. At inlet 1,...
Mickey, a daredevil mouse of mass of .0217 kg, is attempting to become the world's first...
A camera flash consists of a 120 μF capacitor charged to 220V which discharges through a...
2. If the half-life of Radon-212 for alpha emission is 38.2 minutes, what initial amount of...
At a rock concert, a dB meter registered 127 dBwhen placed 2.2 m in front of...
A nuclear power plant produces an average of 2200 MW of power during a year of...
How much recoil energy does a 40/19K nucleus get when it emits a 1.09 MeV gamma...
A bullet with initial speed 500 m/s passes straight through a pendulum bob of mass 2...
If a 120-W lightbulb emits 3.5 % of the input energy as visible light (average wavelength...
a small explosive explodes into three pieces, they fly 120 degrees relative to one another. the...
Consider a particle of mass m = 22.0 kg revolving around an axis with angular speed...
A 500 Ω resistor and a 280 mH inductor are connected in series with an ac...
A 19.5-cm-diameter loop of wire is initially oriented perpendicular to a 1.8-T magnetic field. The loop...
A pottery wheel with moment of inertia I = 0.25 kg m2 is spinning at 5...
One mole of ideal gas initially at 250 K and 5 atm expands adiabatically against a...
A ball is thrown straight up with a speed of 30 m/s, and air resistance is...
3. A boat travels at 3.5 m/s with respect to the water in a river, while...
Calculate the density of a neutron star with a radius 1.93 x 104 m, assuming the...
2. Why don’t we feel the Earth spinning?
1. Why do objects fall to the ground?
What is the difference between open and closed circuits?
A mass m1 is connected by a light string that passes over a pulley of mass...
A ball is moving in a circle of radius 14.9 meters has a period of 20...
An aluminum wing on a passenger jet is 33 m long when its temperature is 17°C....
13. A ball of mass 0.2 gram with radius 0.8cm is completely submerged underwater and held...
What types of potential energy are included in the work energy equation? All forms of potential...
A proton travels through uniform magnetic and electric fields. The magnetic field is in the negative...
A flat square sheet of thin aluminum foil, 40 cm on a side, carries a uniformly...
1. An uncharged capacitor and a resistor are connected in series to a source of EMF....
Two 1.6 cm -diameter disks face each other, 1.3 mm apart. They are charged to ±20nC....
Consider a germanium crystal containing 2×1014 phosphorous atoms /cm3 which have ionization energy of 12 meV...
Calculate the gravitational potential energy of an object, in J, whose mass is 8.12 kg and...
A particle of mass 5.00 kg is attached to a spring with a force constant of...
Consider a string having linear mass density of 0.40 g/m stretched to a length of 0.50...
Bond....James Bond is out in his specially equipped BMW when he is attacked by “Bad Guys”....
A material has resistivity of 2.8x10^-5 ohm m and a cross sectional area of 1.2 x...
A 110 kg scaffold is 6.00 m long. It is hanging with two wires, one from...
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