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A 10.0 g bullet is fired horizontally into a 100 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring of constant 158 N/m. The bullet becomes embed
What then are (c) the magnitude and (d) direction of the resultant force - applied to the crate? In both cases express the direction as a positive angle relative to due west.
A jetliner touches down at 220 km/hr, reverses its engines to provide braking, and comes to a halt 29 s later. What is the shortest runway on which this aircraft can land, assuming constant decelera
What is the magnitude of the net gravitational force on the mass at the origin due to the other two masses? Take the gravitational constant to be = 6.67×10-11
The electric field amplitude is reduced to one fifth of its original value). What is the complex index of refraction of the medium at this frequency?
A jetliner touches down at 225 km/hr, reverses its engines to provide braking, and comes to a halt 19.5 s later. What is the shortest runway on which this aircraft can land, assuming constant decele
A shopper pushes a cart 44 m south down one aisle and then turns 90.0° west and moves 30 m. He then makes another 90.0° turn and moves 13 m. (a) What is the largest possible displacement of
Compute the average acceleration (magnitude and direction) of the plane during landing (take the positive direction to be northward).
A cannon tilted upward at angle = 35 fires a cannonball with a speed of 90 m/s. At that instant, what is the component of the cannonball's velocity parallel to the ground?
Tarzan (m = 87 kg) tries to cross a river by swinging from a 10.0 m long vine. His speed at the bottom of the swing, just as he clears the water, is 9.0 m/s. Tarzan doesn't know that the vine has a
what is the average volume (in cubic meters) required for each iron atom and what is the distance (in meters) between the centers of adjacent atoms?
Light of wavelength 575 nanometers falls perpendicularly on a double-slit and the third order bright fringe is seen at an angle of 6.5 degrees. What is the separation between the double slits?
A wheel of radius 0.80 m rotates at a uniform angular speed. If a point on the rim experiences a centripetal acceleration of 1.6 m/s2, what is the rim's tangential speed?
In 85 centuries, what is the total (in hours) of the daily increases in time (that is, the sum of the gain on the first day, the gain on the second day, etc.)?
A car drives straight off the edge of a cliff that is 60 m high. The police at the scene of the accident observed that the point of impact is 134 m from the base of the cliff. How fast was the car
What is the minimum angle between the vector of the electron spin an arbitrary direction in 3D space?
What is the magnitude of the centripetal acceleration of the stone while in circular motion?
A outfielder throws a 0.150kg baseball at a speed of 4.0m/s and an initial angle of 30.0 degrees. What is the kinetic energy of the ball at the highest point of its motion?
A shopping bag is hanging straight down from your hand as you walked across a horizontal floor at a constant speed. Does the force that your hand exerts on the bag's handle do any work? Explain. Doe
It started from a rest (a speed of 0m/s) and reached the bottom of the incline moving with a speed of 2.0m/s. What is the average speed of the soup can?
A flat sheet of crown glass has a thickness of 2.3 cm. It is on top of a flat sheet of crystalline quartz that has a thickness of 3.6 cm. Light strikes the crown glass perpendicularly and travels th
The dog is 32.5 m behind the student and running at 6.74 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
A space station in the form of a large wheel, 343 m in diameter, rotates to provide an "artificial gravity" of 9.3 m/s2 for people located at the outer rim. What is the frequency of the rotational m
A 40 kg pole vaulter running at 14 m/s vaults over the bar. Her speed when she is above the bar is 1.0 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and determine her alt
Objects A and B are both positively charged. Both have a mass of 900g but A has twice the charge of B.? When A and B are placed 80.0 cm apart, B experiences an electric force of 0.510 N. How large is