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Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 17 m/s at an angle 35 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground.
What is the maximum height the ball goes above the ground?
Name the ionic compound form when an Magnesium reacts with chlorine.
Two spherical objects with a mass of 5.89 kg each are placed at a distance of 2.16 m apart. How many electrons need to leave each object
a particle is moving in a simple harmonic oscillator potential vx kx22 x lt 0 but with infinite potential barrier at x
A 62 g Frisbee is thrown from a point 1.3 m above the ground with a speed of 15 m/s. What was the reduction in the mechanical energy of the Frisbee-Earth system because of air drag
Ultrasonic waves with a frequency of 2.5MHz are used to monitor the heartbeat of a fetus. Calculate the range of beat frequencies observed for motion of the heart toward and away from the monitor
The overhead projector used in our lectures form (approximately) 2m-tall images of transparencies that are 30 cm tall. The screen is approximately 3m from the projector.Using these numbers, what must the focal length of the projector lens , in cm?
A 20 g plastic ball is moving to the left at 35 m/s. How much work must be done on the ball to cause it to move to the right at 35 m/s
Calculate the electric field intensity at a distance of 14 cm from the center of the shell
An ideal transformer steps down 120V to 12V and the 2630 turn secondary supplies 12 A. What is the ratio of output power to input power
A coin is placed 32 cmfrom the center of a horizontal turntable, initially at rest. Theturntable then begins to rotate. When the speed of the coin is 100cm/s (rotating at a constant rate), the coin just begins to slip.The acceleration of gravity i..
A car travelling at 37 {rm m/s} runs out of gas while travelling up a 7.0{rm ^ {circ}} slope. How far would it coast before starting to roll back down.
Suppose a monatomic ideal gas is contained within a verticalcylinder that is fitted with a movable piston. find Through what distance does the piston drop
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