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An object of 2.67 cm high is located 37.0 cm in front of the concave mirror with a 3.65 cm focal length. Determine the position of the image?
The Sorry State Lottery needs you to choose five different numbers from 0 through 41. Find the probability that you are either Big Winner or Small-Fry Winner?
John shoves a block of 0.50-kg from the bottom of a frictionless 30.0° inclined plane. He performs a work of 4.0 J and the block slides a distance s all along the incline before it stops. Find o
A capacitor of 30 µF is charged to 88 V and is then joined across a 440 ? resistor. i) Determine the initial charge on the capacitor? Answer must be in units of µC.
A mass of 2 kg is held 4 m above the ground. Determine the approximate potential energy due to gravity of the mass with respect to the ground?
A disk having radius R consists of a uniform surface charge density. By regarding the disk as a series of thin concentric rings, compute the electric potential V at a point on the disk's axis a dist
A toaster is rated at 600W when joined to a 120-V source. Determine the current which the toaster carry, and what is the resistance?
The sound intensity of 1.4x10-12 J/m2s is a threshold of hearing for the humans. Determine the amplitude of the motion of air molecules when the speed of sound in the air is 331 m/s and the density
As the station rotates, an astronaut in chamber A is moved 1.51 x 102 m all along a circular arc. Explain how far all along a circular arc is an astronaut in chamber B moved throughout the same time
What quantity of drug is in body right after third tablet? The 32th? Suppose you continue taking tablets, what occurs to drug level in long run?
The potential difference across the 0.9 µF capacitor then falls to 2 V. Determine the capacitance of the second capacitor?
(i) Determine the shortest time between flashes of light which will make a three-bladed propeller appear stationary if it is rotating with an angular speed of 25.7 rev/s?
He is not capable to get to the other side because of a deficiency of friction among his shoes and the ice. To overcome this intricacy, he throws his 1.2 kg physics textbook horizontally toward the
Avoiding the mass of the pulley, determine the time needed to lift the piano from the street to the apartment.
Determine range R and maximum height H in terms of g if projectile is fired with initial speed of 200 meters per second at the angle of 15 degree and then at angle of 22.5 degree.
In her job as the dental hygienist, Kathryn employs a concave mirror to observe the back of her patient's teeth. If the mirror is 1.22 cm from a tooth, the image is upright and 2.99 times as big as
A wire is shaped to a rectangle of dimensions A × B. The wire loop carries a current of I amps. Compute the magnetic field at the geometric center of the loop.
Determine the force on the electron when it is 3 cm from the wire? Explain qualitatively the following motion of the electron.
In a jump spike, a volleyball player bangs the ball from overhead and toward the opposite floor. Controlling the angle of spike is hard.
5 grams of nitrogen gas at an initial pressure of 3.0 atm and at 20 C undergo the isobaric expansion till the volume has tripled. Determine the final gas pressure?
Sunlight hits the surface of a lake at an angle of incidence of 73.7°. Determine at what angle with respect to the normal would a fish spot the Sun?
Determine ground distance plane should travel until touching down. Compute altitude of plane when pilot start the descent.
A man of weight 750 and a woman weighing 500 encompass the similar momentum. Determine the ratio of the man's kinetic energy to that of the woman?
Suppose that a camera consists of a fixed focal length of 68.3 mm and is adjusted to correctly focus the image of a distant object. i) Determine how far the lens must be moved to focus the image of
Assume that the initial position is x = 0 and the initial velocity is v = 0, at time t=0. Then evaluate the position x(t) as a function of time. Illustrate your work.