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A body weighs 50 grams in air and 40 grams in water. How much would it weigh in a liquid of specific gravity 1.5?
(A) 30 grams
(B) 35 grams
(C) 65 grams
(D) 45 grams
A tall tree is growing across a river from you. You wouldlike to know the distance between yourself and the tree, as well asits height, but are unable to make the measurements directly. However, by using a mirror to form an image of the tree and t..
Gas is contained in an7.4L vessel at a temperature of 20°C and a pressure of9.2atm. Determine the number of moles of gas in the vessel
a helium baloon is used to lift something which weighs 100n. the layer of the baloon weighs 50n and the volume of the
A satellite in a circular orbit around the earth with a radius 1.011 times the mean radius of the earth is hit by an incoming meteorite. Find the total work done by gravity on the satellite fragment
The earth's magnetic field, with a magnetic dipole moment of 8.5×1022Am2, is generated by currents within the molten iron of the earth's outer core. What is the current in the current loop
a single conducting loop of wire has an area of .2 x 10-2 m2 and a resistant of 110o. perpendicular to the plan of the
At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 10.8 m until, Find the change in its velocity during the turn
Find the initial compression of the spring so that the block presses the track with a force mg when it reaches the point P [see. Fig], where the radius of the track is horizontal.
For the pressure-depth relationship for a fluid (p = ρgh), which of the following is assumed? (Select all that apply.) The pressure decreases with depth pressure dissimilarity depends on the reference point the fluid density is constant the relations..
Jeff of the Jungle swings on a 7.6 meter vine that initially makes an angle of 47 degree with the vertical. obtain the tension in the vine at the lowest point of the swing
Water waves in a lake travel 3.77 m in 2.09 s. The period of oscillation is 1.5 s.What is the speed of the water waves? Answer in units of m/s.
A circular loop of wire has radius R = 5 cm and sits in a uniform magnetic field B = 0.2 Tesla pointing along the axis of the loop. what will be the magnitude of the induced emf in the coil
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