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An object is placed 17.4 centimeter in front of a convex mirror, the image being 0.61 centimeter behind the mirror. A second object, twice as tall as the first one, is located in front of the mirror, but at a different location. The image of this second object has the similar height as the other image. Find how far in front of the mirror is the second object located?
a wave with frequency 2000hzand wavelength 0.1m in some certain medium what is its speed in this
The G string on a violin has a fundamental frequency of 196 Hz. It is 33.0 cm long and has a mass of 0.500 g. what is the effective length of her string
Currents during lightning strikes can be up to 50000 Amp. Determine what is the force on each meter of this current due to the earth's magnetic field
A tee consisting of two thin rods each having a mass of M and with lengths L1 and L2, Find the rotational velocity of the tee-clay ball combination just after the collision
An old Chrysler with mass 2300 kg is moving along a straight stretch of road at 89 km/h. How fast (in km/h) is the center of mass of the two cars moving
The sliding bar in the figure has a length of 0.513 m and moves at 1.76 m/s in a magnetic field of magnitude 0.263 T. Calculate the magnetic force on the bar
Two small charged balls have a repulsive force of 0.10N when they are separated with a distance of 0.50m. The balls are moved closer together, until the repulsive force is 0.50N. How far apart are they now?
A cart of mass m1=10 kg slides down a frictionless ramp and is made to collide with a second mass m2=20kg, which then heads into a perpendicular loop of radius .25m. The carts stick together after the collision.
A softball of mass 0.220 kg that is moving with a speed of4.5 m/s (in the positive direction)collides head-on and elastically with another ball initially atrest. Calculate the mass of the target ball
An Emergency Vehicle Siren is designed to emit an 8000 Hz sound. You hear a 9143 Hz tone as it approaches you at 40.0m/s and a 7273 Hz tone as it recedes at 32 m/s. What is the temperature of the air
A hollow cylinder of radius and height has a total charge uniformly distributed over its surface. The axis of the cylinder coincides with the z axis, and cylinder is centered at the origin.
one of your summer lunar space camp activities is to launch a 1130-kg rocket from the surface of the moon. you are a
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