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4. The intensity of light is proportionate to the inverse square of the distance to the...
A contestant in a winter games event pushes a 50.0 kg block of ice across a...
A rocket is launched at an angle of θ = 51° above the horizontal with an...
The current in an electromagnet connected to a240-V line is 22.5 A . At what rate...
A place kicker must kick a football from a point 34.2 m from a goal. As...
A) You are on an rollercoaster at an amusement park. When you are upside-down at the...
A 4.2 m diameter merry-go-round is rotating freely with an angular velocity of 0.60 rad/s . Its total moment of...
If there is a constant net force acting on an object, its motion will be one...
A 33.5 lb child holding a 10.8 kg sled starts running towards a downward slope. The...
describe the symptoms that would result if one of the diodes in the bridge rectifier failed...
If the earth constantly slowed down at a rate of 0.002 seconds/century, how many years age...
A current loop in a motor has an area of 1.95 cm2 . It carries a...
An ammeter with resistance 1.42 Ω is connected momentarily across a battery, and the meter reads...
1. A mass of 9.9 kg is resting on a horizontal surface without friction. A force...
A new car is tested on a 300-m-diameter track. A) If the car speeds up at...
Your flashlight is getting dimmer and dimmer, so you assume the batteries are nearly dead. They...
You are still orbiting earth, as one of the astronauts on the International Space Station. In...
A moving 3.70kg block collides with a horizontal spring whose spring constant is 363 N/m. The...
Calculate the ratio of the resistance of 14.0 m of aluminum wire 1.5 mm in diameter,...
A bullet of mass m = 8.00 g is fired into a block of mass M...
A 20-kg child running at 2.0 m/s jumps onto a playground merry-go-round that has inertia 180...
a block of mass m=2.0 kg, initially at h=1.5 m, is released with an initial speed...
Hypothetically consider two balls thrown from the same place at the same time: the ball 1...
Please explain why a tightrope walker always holds a bar in his/her hands during tightrope walking...
880 kilogram car traveling East at 15 meters per second collides with a 750 kg car...
The plates of a spherical capacitor have radii 49.2 mm and 51.4 mm. (a) Calculate the...
A wire 3.31 m long and 6.32 mm in diameter has a resistance of 12.1 mΩ....
a clock whose pendulum makes one vibration in 2 seconds is correct at 25 degrees Celsius....
A truck with mass 3000 kg is driving at 20 m/s north. It collides with a...
12. In the figure below, d = 2.8 mm. What are the magnitude and direction...
An object with a mass of 4.15 kg undergoes an acceleration of -3.1 m/s2 for a...
A soccer ball is kicked from the top of one building with a height of H1...
A 190MW laser pulse is focused with a lens to a diameter of 2.5?m A. What...
IP A bullet with a mass of 4.2 g and a speed of 640 m/s is...
A(n) 603 kg elevator starts from rest. It moves upward for 3.88 s with a constant...
Water, with a density of ρ = 1155 kg/m3, flows in a horizontal pipe. In one...
You have been called to testify as an expert witness in a trial involving a head-on...
1) describe the conditions neccesary for a lunar eclipse to occur, and 2) diifferentiate between the...
Check the state of polarization of a random room lights by looking at them through a...
Tarzan, who weighs 778 N, swings from a cliff at the end of a 15.8 m...
I had a lab where we had to find the frictional force of a system. A...
A plane is flying at a velocity of 120 m/s in the positive x direction. The...
A concave mirror has a focal length of 36.0 cm. The distance between an object and...
How fast does a truck have to travel to jump 85 yards in the air with...
Two capacitors are connected parallel to each other and connected to the battery with voltage 25...
A copper wire has a resistance of 0.515 Ohms at 20 degrees C, and an iron...
A skier stands on the top of a giant frictionless snowball with radius R:She is initially...
A 1.0 kg block of wood is to be launched across a slippery floor by a...
A diffraction grating with 600 lines/mm is illuminated with light of wavelength 510 nm. A very...
A ball drops from a height of 2 meters. Each time it hits the ground, it...
A typical human blood pressure reading is "120/80". The measurement units are based on a mercury...
A helium-neon laser (λ=633nm) illuminates a single slit and is observed on a screen 1.35 m...
What is the physical meaning of the slope for the Voltage vs. Current graphs?
1. A satellite orbits a planet. The distance between the satellite and the center of the...
no matter how hard I pull,there will be an equal but opposite force that will prevent...
1. In the space below, a. state Archimedes’ Principle b. define density c. Mathematically, derive an...
What is the shape of a projectile's trajectory near the surface of the earth, ignoring air...
An object of mass m = 20.0 kg travels distance d = 60.0 m at constant...
A Hollywood daredevil plans to jump the canyon shown in the figure on a motorcycle. There’s...
A crate is given an initial speed of 2.2 m/s up the 22.5 ∘plane shown in...
A picture of mass 5 kg is hung from a wire on a wall. If the...
Part A) A gaseous mixture contains 418.0 Torr of H2(g), 328.7 Torr of N2(g), and 79.9...
A skier is skiing down a hill on friction-less skies when he realizes there is a...
a locomotive of mass 400,000 kg (about 440 tons) starts from rest and reaches a speed...
A mass of 4 kg is compressed 0.79 meters into a spring with a spring constant...
Please answer these two conceptually in mini paragraph form! Some physics instructors describe situations dealing with...
When an air capacitor with a capacitance of 340 nF (1 nF = 10−9F) is connected...
To make a bounce pass, a player throws a 0.55-kg basketball toward the floor. The ball...
A 2130 kg satellite used in a cellular telephone network is in a circular orbit at...
Currently, your committee is investigating the high incidence of ankle injuries on the basketball team. You...
A pendulum consists of a 3.8 kg stone swinging on a 4.4 m string of negligible...
An object of mass m1 = 4.90 kg placed on a frictionless, horizontal table is connected...
The current in a 1.10 mm × 1.10 mm square aluminum wire is 2.80 A ....
Upgraded fuel economy stnadards released in 2010 call for a 34.1 mile-per-gallon a verage for new...
A circular loop of radius 11.9 cm is placed in a uniform magnetic field. (a) If...
The figure shows a ball with mass m = 0.295 kg attached to the end of...
What is simple pendulum? How can you find acceleration due to gravity using simple pendulum?
A simple pendulum consists of a ball of mass m suspended from the ceiling using a...
a. given F v. T, how would you calculate average force during a collision? Give an...
The student will describe the conditions necessary for a solar eclipse to occur
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