What is the horizontal distance between the two balloons
The two hot-air balloons in the drawing are 48.2 m and 61.0 m above the ground. A person in the left balloon observes that the right balloon is 13.3° above the horizontal. What is the horizontal distance x between the two balloons?
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Suppose that the charge on the electron and proton did not have the same magnitude but instead differed by one part in 10^10. What would be the net charge on a 1.0-kg sample of helium gas?
If the body has a forward speed of 2 in./sec and its position coordinate is 9 in. at time t = 0, determine the speed v at t = 3 sec.
You are driving into St. Louis, Missouri, and in the distance you see the famous Gateway-to-the-West arch. This monument rises to a height of 192 m. You estimate your line of sight with the top of the arch to be 1.01 ° above the horizontal. Ap
The potential at location C is 799 V, and when released from rest from this spot, the particle arrives at B with twice the speed it previously had, or 2vB. Find the potential at B.
What is your speed due to the Earth's rotation, if you are at the equator? What is your acceleration due to the Earth's rotation, if you are at the equator?
It has a downwards force of 10 kN at 1 m in from the RHS and a downwards force of 5 kN at 1 m in from the LHS. Calculate both the bendin moment and the maximum stress in the beam.
A tiny sphere with a charge of q = +6.4 µC is attached to a spring. Two other tiny charged spheres, each with a charge of ?4.0-µC, are placed in the positions shown in the figure, in which b = 4.1 cm. The spring stretches 5.0 cm from i
The electric potential at A is -60.5 V, and the electric potential at B is +25.1 V. Determine the charge of the particle. Include the algebraic sign (+ or ?) with your answer.
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