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A ball of mass 2.0 kg is traveling towards you at 15 m/s. You are at rest and have a mass of 70 kg. a. Assuming you catch the ball, what is your velocity after the collision?
What is the closest the asteroid can be to Earth? Does it hit Earth?If not, will it come back to Earth again?
Assuming the ball started from rest when you hit it, what is the velocity of the ball after you hit it?
Two spheres with charges of +6x10^-6 and -2x10^-6 bagin at a distance of .02 m. They touch and then seperate. Calculate the force between them after they touch.
What is the turntable's angular speed when the block reaches the outer edge of the turntable?
A person can clearly see objects only if they are located between 42 cm and 162 cm away from her eyes. Bifocal lenses are used to correct her vision. What power lens (in diopters) should be used in
A 64-turn coil with an area of 8.6x10^-3 m^2 is dropped from a position where B = 0.0 T to a new position where B = 0.22 T. The displacement occurs in 0.43 s and the area of the coil is perpendicula
Imagine that you are standing and facing a 60-W incanddescent lightbulb 100m away. if the diameter of you pupils is about 2mm, about how many protons enter your eye every second?
You need to make a series ac circuit having a resonance angular frequency of 1525 rad/s using a 138 ohm resistor, a 10.5 microfarad capacitor, and an inductor. (A) what whould be the inductance of t
A gymnast with mass m1= 46 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2= 116 kg and length L = 5 m. Each support is 1/3 of the way from each en
The other end of the string is attached to a massless axel through the center of an orange sphere on a flat horizontal surface that rolls without slipping and has mass ms= 3.3 kg and radius Rs= 0.1
In a television set the power needed to operate the picture tube is 95 W and is derived from the secondary coil of a transformer. There is a current of 5.3 mA in the secondary coil. the primary coil
A 18.0-kg cannonball is fired from a cannon with muzzle speed of850m/sat an angle of33.0°with the horizontal. A second ball is fired with the same initial speed at an angle of 90.0°. Let y=
A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. The thrust of its engines is 4.83 x 105 N. In being launched from rest it moves throu
What is the kinetic energy of the pellet in the reference frame of the satellite just before the collision?
A 2.00g bullet strikes a 2.00 kg block hanging from a long cord. The bullet imbeds itself in the block causing the block to swing upwards to a height of 75cm above its original position. A. What ty
A segment of wire carries a current of 25 A along the x axis from x= -2.0 m to x = 0 and then along the z axis from z=0 to z= 3.0 m. In this region of space, the magnetic field is equal to 40 mT in
Two spaceships pass each other, travelling in opposite directions. The speed of ship B as measured by a passenger in ship A is 0.95c. This passenger has measured the length of ship A as 135m and det
What is the cross-sectional area of the pipe at Location One?
A metal block of mass 1.230kg is hanging from a string. The tension in the string is 7.184N. The block is submerged in a beaker of fluid and is stationary. What is the magnitude and direction of the
A spacecraft has a nonrelativistic (or classical) momentum whose magnitude is 2.0 multiply.gif 1014 kg · m/s. The spacecraft moves at such a speed that the pilot measures the proper time inter
What is the volume of the fluid displaced by the ball? (Since the ball is completely submerged, this is the same as the volume of the ball.)
The coeficient of kinetic friction between the sled and the snow is 0.200 and the combined mass of Calvin and the sled is 40.0 kg. Hobbes pushes on Calvin at an angle that is 12 degrees below the h
A diffraction pattern forms when light passes through a single slit. The wavelength of the light is 665 nm. Determine the angle that locates the first dark fringe when the width of the slit is each
The pressure att he depth of 1.25 m in a tank of liquid is measured to be 125.5 kPa. The tank is open to the outside air, which is at a pressure of 102.0 kPa. What is the density of the fluid?