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When a metal block is hung from a beam balance, thebalance reads 458 grams. When the block is submerged in a liquid,the balance reads 319 grams. What is the buoyant force (in Newtons)acting on the block when it is submerged?
A 305 turn solenoid has a radius of 7.00 cm and a length of 24.0 cm. Find the inductance of the solenoid
Objects A and B are both positively charged. Both have a mass of 118 g, but A has twice the charge of B. How large is the force on A
A golfer hits a golf ball with a velocity of 138 mph. Determine the head velocity of the golf club. Assume the following: • Mass of golf club head (M): 190 g • Mass of golf ball (m): 46 g • Coefficient of restitution (e): 0.83
If you see the displayed waveform on an oscilloscope screen,given that voltage scale is 50 millivolt/division, and the timescale is 100 milliseconds/div What is the peak-to-peak amplitude for the waveform ?
A picture hangs on the wall suspended by two strings, as shown in the figure, with theta = 68°. The tension in string 1 is 1.4 N. What is the weight of the picture
A flywheel with a diameter of 0.510 m is rotating at an angular speed of 178 rev/min. What is the linear speed of a point on the rim of the flywheel
Consider an idealgas at 27 degrees C and1.00 atm pressure. Imaginethe molecules to be, on average, uniformly spaced, What is the length of an edge of each small cube
A 4.25g bullet traveling horizontally with a velocity of magnitude 375m/s is fired into a wooden block with mass 1.10kg , How fast is the block moving just after the bullet emerges from it
What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 6.99 m/s when going down a slope for 2.15 s
The space shuttle needs to slow down in order to return from its orbit. It does so by reversing direction and firing its 3 main engines for a short amount of time. The mass of the space shuttle is 2.0 x 106 kg and has an orbital speed of 8000 m/s. Th..
In fact, it is found that if the heavier mass is given a downward speed of 0.21 m/s, it comes to rest in 6.7 s. What is the average frictional torque acting on the pulley
Blue light of frequency 6.0 1014 Hz falls on the surface of potassium, which has a work function of 2.26 eV. Find the maximum kinetic energy of emitted electrons
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