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An object is placed 55 centimeter from a concave mirror of focal length 96 centimeter. The object is 6.7 centimeter tall. Determine how tall is the image? Determine is the image real or virtual?
how does temperature affect the extent of dissociation of
What is the minimum work needed to push a 950kg car 810m upalong a 9.0 degree incline
If a boat has a speed of 6.75 m/s and goes north directlyacross a river and back. How long does it take for the round trip
A stopwatch is utilized to measure how long it takes a sprinter to run 100 meters. This stopwatch measures time intervals to hundredths of seconds. Using the stopwatch the timekeeper measures the sprinter’s time as9.88 seconds.
A hockey puck has a mass of 0.116 kg and is at rest. A hockey player makes a shot, exerting a constant force of 27.5 N on the puck for 0.16 s. With what speed does it head toward the goal
A pilot of an air plane travelling at 130km/hr wants to drop food supplies on a patch of land 250m below. what is the initial vertical velocity when package is dropped
A way to produce a fairly uniform magnetic field over a large accessible region is with a pair of identical circular loops of wire those shares the same axis and are physically parallel to each other, but whose centers are a certain distance apart.
A 29 g rifle bullet travelling 270 m/s buries itself in a 3.50 kg pendulum hanging on a 2.6 m long string, which makes pendulum swing upward in an arc. Find out the horizontal component of the pendulum's displacement.
A constant force of 15 Newton in the negative y direction acts on a particle as it moves from the origin to the point (3i+3j-1k)m. Find how much work is done by the given force during this displacement
A ball rolls horizontally off a 45-m high cliff with vo=10 m/s. How far from the base of the cliff will it hit the ground, What is the angular acceleration of the tires
A 100 g block is launched by compressing a spring of constant k=200N/m a distance of 12 cm. The spring is mounted horizontally, and the surface directlyunder it is frictionless.
A sample of helium behaves as an ideal gas as it is heated at constant pressure from 273 K to 373 K. what is the mass of helium present
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