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A man fires a pistol exactly sideways from a moving car. The bullet is traveling at 214 meter per second. The car is traveling at 33.3 m/s or 70 mph. Determine what is the speed of the projectile?
Find the speed of a satellite in a circular orbit around the earth with a radius 4.01 times the mean radius of the earth; RE 6.37E+3km; ME 5.98E+24kg
A spring with spring constant 13 N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. It is then pulled down 8.5cm and free. The ball makes 26 oscillations in 18 s seconds.
The distance between the first and fifth minima of a single-slitdiffraction pattern is 0.25 mm withthe screen 50 cm away from the slit,when light of wavelength 477 nm isused. Calculate the angle of the firstdiffraction minimum
a home receives 1.7 kw of electric power from a transformer on a nearby pole. the line from the substation to the
The heating element of a clothes dryer has a resistance of 16.2. What is the current in the heating element
A simple pendulum has a length of 0.80 m and a bob of mass 0.20 kg. It is initially displaced to an angle of 18 degrees from the vertical, What angle does it make with the vertical
A certain string just breaks when it is under 25 N of tension. A boy uses this spring to whirl a 0.75kg in a horizontal circle of radius 2.0m. At approximately what speed will the string break
two charges, q1 and q2 are present on a normal coordinate system ,point A is located at the orgin, q1 has a charge of 1.11 nC, what is the electric potential at point A
A wheel is rotating freely at angular speed 290 rev/min on as haft whose rotational inertia is negligible. A second wheel, initially at rest and with five times the rotational inertia of the first, is abruptly coupled to the same shaft.
A refrigerator uses an ideal Carnot cycle to cool its interior. The outside air has a temperature of 304 K, What is the coefficient of performance of this refrigerator
The Voyager I spacecraft moves through interstellar space with a speed of 7400m/s. Assuming that the 5.6-m long antenna on the spacecraft is at right angles to the magnetic field, find the induced emf between its ends
An object 3.25 cm high is placed 18.0 cm in front of a convex mirror with radius of curvature of 8.30 cm. Where is the image formed
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