Find the magnitude of the vertical component of the velocity
A dolphin leaps out of the water at an angle of 42.7 ° above the horizontal. The horizontal component of the dolphin's velocity is 9.10 m/s. Find the magnitude of the vertical component of the velocity.
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The masses of the earth and moon are 5.98x1024 and 7.35x1022 kg, respectively. Identical amounts of charge are placed on each body, such that the net force (gravitational plus electrical) on each is zero. What is the magnitude of the charge placed
Discuss the proper position of a slide relative to the lens in a slide projector. What type of lens must the slide projector have?
Calculate the rotational inertia of a meter stick, with mass 0.80 kg, about an axis perpendicular to the stick and located at the 39 cm mark. (Treat the stick as a thin rod.)
Suppose a hanging 1.0 kg lab mass is attached to a 4.0 kg block on the table. If the coefficient of kinectic friction, mu is 0.20., what is the acceleration of the block?
Explain how a scale is used to draw the original vectors and find the magnitude of the resultant. B. Define the negative of a vector and define vector subtraction as a-b = a+(-b).
A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is 3.60×105 kg, its speed is 26.8 m/s, and the net braking force is 4.30x10^5N, what is its speed 7.43 s later?
Water waves in a shallow dish are 5.0 cm long. At one point, the water moves up and down at a rate of 4.5 oscillations per second. What is the speed of the water waves?
A 91kg water skier floating in a lake is pulled from rest to a speed of 12 m/s in a distance of 25 m.What is the net force exerted on the skier, assuming his acceleration is constant?
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