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A drop of water on a countertop reflects light from a flower held 3.10 centimeter directly above it. The flower's diameter is 2.10 centimeter, and the diameter of the flower's image is 0.096 centimeter. Find what is the focal length of the water drop, assuming that it may be treated as a convex spherical mirror?
A 6.90-g lead bullet traveling at 420 m/s is stopped by a large tree. what is the increase in temperature of the bullet
A 2.50 g bullet, traveling at a speed of 465 m/s, strikes the wooden block of a ballistic pendulum. The block has a mass of 275 g. What is the speed of the bullet/block combination immediately after collision.
A spacecraft is in orbit around a planet. The radius of the orbit is 3.0 times the radius of the planet (which is R = 71497 km). What is the period of the spacecraft's orbit
A ball of mass 0.1 kg is suspended vertically from the ceiling with a "massless" string and brought to rest. what will be the magnitude of the resulting angular acceleration
A capacitor C stores charge Q when there is a potential difference V. When a potential difference of V + 12.5Volts is used, an extra 45.50 microC of charge is stored. What is the capacitance C.
A 0.30 kg puck, initially at rest on a frictionless horizontalsurface, Find the fraction of kinetic energy lost in the collision
A rectangular coil 21 cm by 40 cm has 105 turns. This coil produces a maximum emf of 65 V when it rotates with an angular speed of 171 rad/s in a magnetic field of strength B. Find the value of B. __________mT
A transformer with a turns ratio (secondary:primary) of 1:80 is used to step down the voltage from a 120-V wall socket to be used in a battery recharging unit. What is the voltage supplied to the recharger?
1 a particular 12 v car battery can send a total charge of 84 a h ampere-hours through a circuit from one terminal to
The distance between two successive minima of a transverse wave is 2.45 m. Five crests of the wave pass a given point along the direction of travel every 14.5 s. (a) Find the frequency of the wave. Hz (b) Find the wave speed. m/s
Determine value of ending inventory if the sales value at splitoff method is used for product costing. Round to 3 decimal places when necessary.
a shell is fired at an angle of 20 degree above the horizontal at a velocity of 200 msa what is the range ?b what is
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