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Physics Questions
A child in a swing is pulled back to a height of h above the lowest...
Can you please solve and explain your work? The correct answer is 7.35 m/s. A block...
You shine light of various wavelengths through slits that are 86.5 µm apart, and the view...
A billiard ball of mass m = 0.25 kg strikes the cushion of a billiard table...
A parallel-plate capacitor is designed so that the plates can be pulled apart. The capacitor is...
two projectiles are launched from the ground simultaneously with an initial velocity 5.0m/s. The first projectile...
An electron is confined to a box of width 10 nm. How much energy must be...
Consider a stream of water falling freely at atmospheric pressure from an open faucet. At the...
A speedboat increases its speed uniformly from 30 m/s to 40 m/s in a distance of...
A string is wrapped around a pulley of mass m, radius r and unknown moment of...
The temperature of an oven is kept constant at 950.0 K. A hole with a diameter...
a 2.00m piano wire with a mass per unit length of 12.0 g/m is under tension...
Two identical pistons begin and end in the same state. Initially, they contain 0.04-moles of gas,...
Two air-track carts move toward one another on an air track. Cart 1 has a mass...
Certain experiments must be performed in the absence of any magnetic fields. Suppose such an experiment...
In the figure shown above, AB is a straight line with midpoint C. The electric potential...
1. A cosmic ray proton moving toward the Earth at 3.5 × 107 m/s experiences a...
The aurora is caused by electrons and protons from the Sun spiraling in along the direction...
Suppose that you set the ramp angle to 30 degrees and found that 200 grams of...
A uniformly charged conducting sphere of 1.1 m diameter has a surface charge density of 6.3...
A hypothetical planet has 3 times the mass of Earth and twice the radius of the...
The resistances of most substances increase when they are heated. A bulb for a flashlight using...
When a bi-metallic strip is heated, it will bend toward the the metal with the smaller...
A leaning tower is 58 m tall and about 7.6 m in radius. The top is...
The ammonia molecule has an electric dipole moment of 5 x 10-30Cm. It is placed in...
A block of Styrofoam and a block of lead are the same size. When dropped in...
(a) A circular ring has radius r and mass M. Let L be the axis of...
A lead ball is thrown vertically downward with an initial speed of 3.9 m/s from the...
A cylindrical tank has a tight-fitting piston that allows the volume of the tank to be...
If the distance between the wire and the center of the loop is increase by a...
6. Wonder Woman flies her Invisible Plane at a velocity of 550 km/hr in the direction...
If a solid sphere with mass 12 kg and radius 0.1 m rolls without slipping with...
Order the major bands of electromagnetic radiation from longest wavelength to shortest wavelength. microwaves infrared radiation...
A 13-kg block is at rest on a level floor. A 400-g glob of putty is...
An experiment to determine the local magnetic field of the Earth uses a coil consisting of...
Jacob is 20 y old when he takes off on a road trip space voyage at...
An electron is moving in the vicinity of a long, straight wire that lies along the...
As a star forms, the proto-stellar cloud contracts gradually over a period of millions to many...
3) A cannon is launched upward at a 42 degree angle with a speed of 100...
Suppose that you are designing a parachute so that the terminal velocity using the parachute will...
A box weighing 200 N is dragged up an incline 10 m long and 3 m...
a) Find the probability that a molecule will travel a distance at least equal to the...
a. compute the acceleration due to gravity of a moon which is 5/6 the radius of...
I really need help with all 3 please, I will give a good rating. 1. A...
A projectile is launched with an initial velocity of 40 m/s at 60° above the horizontal....
A 9.00 V battery is in series with a switch, a 0.35 H inductor, and a...
Parallel light rays with a wavelength of 650 nm fall on a single slit. On a...
Two converging lenses having focal lengths of f1 = 10.5 cm and f2 = 20.0 cm...
A tungsten atom at rest emits a photon with an energy of 14 keV. Describe what...
Two masses, M1 and M2 are attached to a mass-less string (see picture). When released from...
logarithms can be used to calculate the time it takes for the original substance to decay...
A 2.0-m length of wire is made by welding the end of a 120-cm-long silver wire...
A 100g ball is tied to a string so that the center of mass hangs 50...
A toy top with a spool of diameter 5.1 cm has a moment of inertia of...
What is Brownian motion, and relate how the kinetic theory applies to it. Give one real-life...
Explain magnetic field and magnetic forces, and give examples in daily life. not by hand please...
Two people play tug of war, with each of them pulling 400 N. What is the...
A dark fringe in the diffraction pattern of a single slit is located at an angle...
A satellite is launched to orbit the Earth at an altitude of 1.75 x10*7 m for...
5. The pedals of a bicycle rotate in a circle with a diameter of 20 cm....
Two charges each 2 mC are separated by 10 cm. The charges are each doubled to...
A 21.0 g ball is fired horizontally with initial speed v0 toward a 110 g ball...
How much rotational energy is stored in a 7.0 kg object being swung by a rope...
One piece of filter material placed in a HeNe laser beam reduces the power from 3.0...
A particle executes simple harmonic motion with an amplitude of 9.00 cm. At what positions does...
Consider three capacitors, of capacitance 3700 pF, 5000 pF, and 0.0190 μF. a). What maximum and...
The value of g at the Earth's surface is about 9.81 m/s2. The the mass of...
A baseball player hits a home run, and the ball lands in the left-field seats, 7m...
astroturf is one such horse and it takes two strong men to get him set for...
briefly describe some methods of reducing the effects of an internal uptake of radioactivity
T/F: A 100 eV electron and a 100 eV proton have equal de Broglie wavelengths. T/F:...
1) A 100 Newton force acts on an object to the right at the same time...
an aging geography teacher cannot properly focus her eyes on a map if the map is...
The oxygen molecule, O2, has a total mass of 5.30×10-26 kg and a rotational inertia of...
Un auto de 1026kg viaja a 76km/h y comienza a frenar de manera uniforme hasta detenerse...
what is the real power of a three-phase circuit if its RMS voltage is 220 volts,...
Determine the maximum weight that can be held where the forearm is horizontal and the upper...
What is the direction of angular momentum for a top if it is spun clockwise and...
A force in the +x-direction with magnitudeF(x)=18.0N−(0.530N/m)x is applied to a 5.60 kgbox that is sitting...
1.A 5 kg book rests on a flat table. (a) What is the gravitational force on...
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