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A mass is projected upwards from the Earth's surface with an initial velocity of 7000m/s. Determine how far into space it will go before it stops rising and is on the point of returning to earth. Ignore atmospheric drag. Mass and radius of earth 5.98 x 10^24 kilogram and 6.37 x 10^6 m.
A 0.25 m segment of wire lies along the x-axis and carries a current of 4.7 A in the negative x direction. What is the force (magnitude and direction) on the segment of wire
Superman throws a 0.18 kg baseball at a speed of 0.932c. Find the following for the baseball.-rest energy, kinetic energy, total energy
A circular curve of highway is designed for traffic moving at 75 km/h. If the radius of the curve is 155 m, what is the correct angle of banking of the road
A 82.7 kN car is travelling at 57.7 mph when the driver decides to exit the freeway by going up a ramp. computeb the magnitude of the average drag force exerted on the car
A rail car that weighs 28 N is accelerated at 3.6 m/s/s for 2.2 seconds. How much work is done on the rail car
two fun-loving otters are sliding toward each other on a muddy and hence frictionless horizontal surface. one of them
The syringe must be heated to high temperatures to sterilize it. When the syringe is at its maximum temperature, what is the rms speed of the oxygen molecules
A baseball thrown at an angle of 55.0? above the horizontal strikes a building 17.0m away at a point 6.00m above the point from which it is thrown. Find the magnitude of the initial velocity of the baseball
An electron is released from rest at the negative plate of aparallel plate capacitor. The charge per unit area on each plate isσ = 1.84E-7 C/m2, and the plates are separated by adistance of 1.48E-2 m. How fast is the electron moving just beforeit ..
David is driving a steady 21.0 when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70 at the instant when David passes. How far does Tina drive before passing David.
A bullet of mass 4.3 g is fired horizontally into a 8.60 kg wooden block at rest on horizontal surface. The coefficient of kinetic friction between block and surface is 0.13.
A 7 kg bowling ball strikes a 2 kg pin. The pin flies forwardwith a velocity of 6 m/s the ball continues forward at 4 m/s. What was the original velocity of the ball
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