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A string vibrates in a fundamental mode at 288 Hz. Determine the first four harmonics.
A loud band may easily produce a sound intensity level of 109.0 dB. Determine the intensity.
A 92 kg man climbs onto a car with worn out shock absorbers and this causes the car to drop down 4.5 cm. What is the mass of the car
If the coefficient of friction between the block and the floor is 0.40, what is the mass of the block.
A student makes a simple ac generator by using a single square wire loop 15cm on a side. The loop is then rotated at a frequency of 60 Hz in a magnetic field of 1.8×10?2T, What is the maximum emf output
An upright object is placed a distance in front of a converging lens equal to twice the focal length (f1) of the lens. On the other side of the lens is a converging mirror of focal length f2 separated from the lens by a distance 2(f1+f2).
A dynamite blast at a quarry launches a rock straight upward, and 2s later it is rising at a rate of 15m/s. assume air resistance has no effect on the rock, analyse its speed (a) at launch and (b) 5s after launch.
A physicist visits a wealthy friend (marketing major) who has aswimming pool. The physicist (a theoretician) accidentally spills afew drops of suntan lotion and a thin oil film (n =1.23) spreads over the water.
An 11.00 kg crate is placed on a horizontal conveyor belt. The materials are such that static friction = 0.47 and kinetic friction = 0.24.
Assuming no water resistance, a big fish is gliding through the water with momentum 2.0kg m/s. What was the final velocity of the big fish after the meal
A very long nonconducting cylinder of diameter 10.0 cm carriescharge distributed uniformly over its surface. Each meter of lengthcarries +5.50 µC of charge. A proton is released from restjust outside the surface. How far will it be from thesurface..
A ballplayer standing at homeplate hits a baseball that is caught by another player at the same height above the ground from which it was hit. The ball is hit with an initial velocity of 21 m/s at an angle of 54° above horizontal.
an electric field of intensity 3.10 knc is applied along the x-axis. calculate the electric flux through a rectangular
A simple pendulum consists of a ball connected to one end of a thin brass wire. Determine the change in the period of the heated pendulum
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