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A constant force is applied to object N causing it to accelerate at 5.43 m/s2. The same force applied to object P causes it to accelerate at 6.77 m/s2. Also, when this force is applied to object Q causes it to accelerate at 44 m/s2. What is the ratio of the mass of N to the mass of P?
An observer detects two explosions, one that occurs near her at a certain time and another that occurs 2.00 ms later 100 km away. Another observer finds that the two explosions occur at the, same place. What time interval separates the explosions to ..
In a new (inelastic) collision, the same two bumper cars with the same initial velocities now latch together as they collide. What is the final speed of the two bumper cars after the collision
A bucket filled with dirt of mass 20 kg is suspended by a rope that hangs over a pulley of mass 30 kg and radius 0.25 m. What is the speed of the bucket
The objective lens of the refracting telescope at the Lick Observatory in California has a focal length of 57 ft. What is the refractive power of this lens
a physics book of mass m is pushed against a wall by a force P that makes and angle (theta) with the horizontal. The co-efficient of static friction is 0.2. Find the normal force on the book
a long solenoid that has 1020 turns uniformly distributed over a length of 0.395 m produces a magnetic field of
Two steel guitar strings have the same length. String A has a diameter of 0.60mm and is under 440.0N of tension. Find the ratio of the wave speeds, VA / VB, in these two strings
A balloon is rubbed with a wool glove. The two items attract one another with a force of strength 0.6 N, How many electrons were transferred
The next three problems refer to two point charges A and B on the x-y plane, Find the x-coordinate of the point on the x-axis where the electric field is zero
We have a parallel plate capacitor with two plates containing charges +Q and -Q a distance d = 2.00 cm apart. We release a proton from rest at point A, just above the lower plate. At point B, just before the proton strikes the upper plate, the pro..
a vertical spring ignore its mass whose spring stiffness constant is 820 nm is attached to a table and is compressed
A certain laser outputs pure blue light (photon energy 3.1 eV) with power 400 milliwatts (0.4watts). How many photons per second does this laser emit
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