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A player passes a basketball to another player who catches it at the same level from which it was thrown. The initial speed of the ball is 6.9m/s , and it travels a distance of 4.7m . What was the initial direction of the ball? Express your answer using two significant figures. If there is more than one answer, separate them by a comma.What was its time of flight?Express your answer using two significant figures. If there is more than one answer, separate them by a comma.
When a 2.50 kg object is hung vertically on a certain light spring described by hooke's law, the spring stretches 2.76 cm. What's the force constant of the spring?
An accelerating car starting from rest reaches a certain distance with the speed 20 m/s. What was its speed at half this distance
A point charge of -2.03C is located in the center of a spherical cavity of radius 6.55cm inside an insulating spherical charged solid. Calculate the magnitude of the electric field inside the solid
on average venus is 0.72 au from the sun and its surface temperature is 735 k. calculate how much of this is due to
A 3.50-µF capacitor is fully charged by being connected to a 12.0-V battery. The fully charged capacitor is then connected to a 0.330-H inductor.
a charged suphere of mass 2.8*10^-4 kg is suspended from astring. find the magnitude of electric force and the tension in the string
A ball of mass 1.020 g and positive charge q =45.2 microC is suspended on a string of negligible mass in a uniform electric field. We view that the ball hangs at an angle of theta=15.0 from the vertical. What is the magnitude of the electric field.
two automobiles each of mass 1000kg are moving at the same speed 20 ms when they collide and stick together in what
An object is dropped from rest from a height of 3.74E+6 m above the surface of the earth. If there is no air resistance, what is its speed when it strikes the earth
A 4 kg box is raised from rest adistance of 6 m by a vertical force of110 N. Find the final kinetic energy of the box
A human being can be electrocuted if a current as small as 51 mA passes near the heart. An electrician working with sweaty hands makes good contact with the two conductors he is holding. If his resistance is 1600 Ω, what might the fatal voltage in vo..
Concept Simulation 3.2 reviews the concepts that are important in this problem. How much time does the ball spend in the air
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