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A rope attached to a 19.0 kilogram wood sled pull the sled up a 18.0 degree snow-covered hill. A 5.00 kilogram wood box rides on top of the sled.
If the tension in the rope steadily increases, compute at what value of the tension does the box slip?
= _______ N
carpet is to be laid in a room that is in the form of acircular sector with a central angle of 105o. if thelength
plan a picutre showing Mary's displacment due to rowing, her displacemnet due to the river's motion, and her net displacement.
A 80.0 Hz generator with an rms voltage of 150 V is connected in series to a 3.20 k ohm resistor, estimate the phase angle between the current and the voltage
Suppose that you wish to fabricate a uniform wire out of 1.00 g of copper. Assume the wire has a resistance R = 0.700 , and all of the copper is used. Illustrate what will be the length of the wire?
What is the upward force that Olivia applies to the handles in order to hold the wheelbarrow in that position.
A 90.0- and a 60.0- resistor are connected in parallel. Whenthis combination is connected across a battery, the currentdelivered by the battery is 0.152 A. When the 60.0- resistor is disconnected, the currentfrom the battery drops to 0.0642 A.
the shinkansen, the japanese train, runs at high speed. riding on the shinkansen, you notice that the frequency of a crossing signal changes markedly as you pass the crossing. what is the speed of the train
Concave Shaving Mirror A concave shaving mirror has a radius of curvature of 35.0 cm. It is positioned so that the (upright) image of a man's face is2.00 times the size of the face. How far is the mirror from the face?
A neutron star is an extremely dense, rapidly spinning object that results from the collapse of a star at the end of its life. What is its rotational inertia
The intensity of an earthquake waves passing though the Earth is measured to be 2.0 x 10^6 J/m^2xs at a distance of 48km from the source. What was its intensity when it passed a point only 1.0km from the source
It collides with a 10,000 kg railway car resting at the bottom of the track with its brakes off. The two cars couple together and roll up the track to a height of h. find out h.
the illumination lights in an operating room use a concave mirror to focus an image of a bright lamp onto the surgical
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