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The image behind a convex mirror (radius of curvature =72 cm) is located 21 cm from the mirror.
a) Where is the object located?
b) What is the magnification of the mirror?
c) Decide whether the image is upright or inverted.
d) Decide whether the image is larger or smaller than the object.
Three astronauts, propelled by jet backpacks, push and guide a 114 kg asteroid toward a processing dock, exerting the forces, with F1 = 32 N, F2 = 52 N, F3 = 39 N, θ1 = 30°, and θ3 = 60°. What is the (a) magnitude and (b) angle (measured relative ..
A symmetric bi-covex lens has radii of curvature R and athickness of d. Find its focal length using matrix methods
An ideal monatomic gas is contained in a vessel of constant volume 0.340 m3. The initial temperature and pressure of the gas are 300 K and 5.00 atm, Find the specific heat of the gas
a golf ball of mass 0.050 kg is at rest on the tee and has a velocity of 102 m/s immediately after being struckif the club, what is the average force exerted on the ball
A 67kg man's arm, including the hand, can be modeled as a 70cm -long uniform cylinder with a mass of 3.5kg. by how much does he raise his center of gravity
two loudspeakers a and b are separated by a distance of 2.0 m. the speakers emit sound waves at a frequency of 680 hz
A guitar string produces 4 beats/second when sounded with a250Hz tuning fork and 9 beats/second when sounded with a 255 Hztuning fork. What is the vibrational frequency
A ship is expecting to travel to its home port 650 km due East. Before the ship starts to travel, How far is the ship from its home port
The slope of a line connecting two points on a velocity versus time graph gives A) instantaneous velocity. B) average velocity. C) instantaneous acceleration. D) average acceleration. I know that its acceleration.. so C or D. Dont know the difference..
a ray of light traveling through one type of glass, In which type of glass does light travel at a higher speed
Two Styrofoam balls with the same mass m = 9.5 10-8 kg and the same positive charge Q are suspended from the same point by insulating threads of length L = 0.98 m (the figure below). The separation of the balls is d = 0.026 m. What is the charge Q?
A bullet of mass mB = 0.0149 kg is moving with a speed of 102 m/s when it collides with a rod of mass mR = 7.85 kg and length L= 1.08 m, How much kinetic energy is lost in the collision
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