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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?
The drawing shows three objects. They are connected by stringsthat pass over massless and friction-free pulleys. The objectsmove, and the coefficient of kinetic friction between the middleobject and the surface of the table is 0.144.
The focal length of an objective lens is 4.60mm . The image formed by this lens is 145mm from its focal point. find the magnitude of the angular magnification of the microscope
Ground beef may be irradiated with high-energy electrons from a linear accelerator to kill pathogens. How much energy is deposited in the beef
A motorcycle has a constant speed of 20.9 m/s as it passes over the top of a hill whose radius of curvature is 125 m. Find the magnitude of the centripetal force
A rocket of mass 4.5 x10^5 kg is in flight. Its thrust is directed at an angle of 53° above the horizontal and has a magnitude of 6.80 x10^6 N. Find out the magnitude and direction of the rockets acceleration. Give the direction as an angle above ..
When a guitar string is sounded along with a 441-Hz tuning fork, a beat frequency of 4.00 Hz is heard. When the same string is sounded along with a 437-Hz tuning fork, beat frequency is 8.00 Hz. What is the frequency of the string.
A 34.0kg crate is initially moving with a velocity that has magnitude 3.70m/s in a direction 37.0 %u2218west of north. How much work must be done on the crate
A car travels due east with a speed of 44.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. Find the velocity of the rain
Suppose he hits the ball with a speed of 29 m/s at an angle of 26° above the horizontal. Explain how long was the ball in flight? How far did it travel?
When a 2.5 kilogram object is hung vertically on a certain light spring described in Hooke's law, the spring stretches 2.76cm. Determine how much work must an external agent do to the same spring 8.00 cm from its unstrehed position
A bullet of mass 4.3 g is fired horizontally into a 8.60 kg wooden block at rest on horizontal surface. The coefficient of kinetic friction between block and surface is 0.13.
With the temperature held constant, the pressure of a gas in a cylinder by a movable piston is increased from 10 kPa to 80 kPa. The initial volume of the gas in the cylinder is 0.56 m3. What is the final volume of the gas after the pressure is increa..
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