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Q. A jogger jogs around a circular track with a diameter of 325 m in 16 minutes. What was the jogger's average speed in m/s?
Q. A paint ball is fired straight up from ground level at 312 km/h.
a.) How high will it be after 6.0 s?
b.) What is the ball's velocity after 6.0 s?
A particle of mass M moves in one dimension along the positive x axis, under the influence of two forces. The first force is a constant force, with magnitude B and direction toward the origin. The second force is an inverse square law, with magnitude..
Suppose the space shuttle is in orbit 460km from the Earth's surface, and circles the Earth about once every 93.80 minutes. Find the centripetal acceleration of the space shuttle in its orbit. Express your answer in terms of g, gravitational accelera..
What is first order diffraction angle of light
In the lungs there are tiny sacs of air that are called alveoli. An oxygen molecule (mass = 5.30 x 10-26 kg) is trapped within a sac, and the uncertainty in its position is 0.140mm. What is the minimum improbability in the velocity of this oxygen ..
An oil drop carries one excess electron and weighs 9.3 x10-15 N. What electric field strength is needed to suspend the drop so it is motionless.
For a certain change, the value of ëU is -2.37 kJ. During the change, system absorbs 650 joules. How much work did the system do.
Two spheres, fastened to "pucks" riding on a frictionless air track, are charged with +2 × 10-8 C, and +6 × 10-8 C, correspondingly. Both objects have the same mass. As they repel.
if a river flows due east at 1.68m/s. a boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 13.40m/s due north relative to the water. if the river is 178m wide, how far downstream is the boat when i..
Presume the child remains horizontal during the fall to the floor. Note that a more complicated fall could result in a head velocity greater or less than the speed you calculate.
A spring of constant 3.00 x 10^4 N/m is between a rigid beam and the output piston of a hydraulic lever. An empty container with negligible mass sits on the input piston. The input piston has Areai and output piston has area 18 A.
Capacitance and resistance network.
Objective questions based on force and acceleration.
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