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A 65-kg bicyclist rides his 8.8-kg bicycle with a speed of 14 m/s.
(a) How much work must be done by the brakes to bring the bike and rider to a stop?
(b) How far does the bicycle travel if it takes 4.0 s to come to rest?
(c) What is the magnitude of the braking force?
A wave travels along a stretched horizontal rope. Compute what is the amplitude of this wave
A fly appears to be upside down and 3 times its actual size when viewed through a converging lens with a focal length of 14 cm. How far is the fly from the lens
a scientist claims to have developed a new method of isolating individual particles which will enable him to detect
A helicopter is lifting two crate simultaneously. One cable with a mass of 200.kg is attached to the helicopter by a cable. what is the tension in each of the two cables
A nonuniform electric field is directed along the x-axis at all points in space. This magnitude of the field varies with x , but not with respect to y or z. find the net electric flux passing through the cylindrical surface
A cycle wheel with a mass of 2.5 kilogram and a radius of 33 centimeter rolls across a horizontal floor with a translational speed of 1.5 m/s. Obtain how far up the ramp will it go before stopping
a 5.00 kg object is released from rest while fully submerged in a liquid. the liquid displaced by the submerged object
A capacitor with a capacitance of C is charged with charge of magnitude Q on each plate. Determine what is the time constant of this RC circuit
What must the charge (sign and magnitude) of a particle of mass 1.44g be for it to remain stationary when placed in a downward directed electric field of magnitude 660 N/C.
q1. the two rotating systems shown in the figure differ only in that two identical movable masses are positioned at
Suppose your bathroom scale reads your mass as 85 kg, with an 8% uncertainty. What is the uncertainty in your mass? (Note that uncertainties should be reported to one significant figure.)
A warehouse worker pushes a crate along the floor, by a force of 5.0N that points downward at an angle of 45° below the horizontal. find the horizontal component of the push.
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