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You toss a ball up in the air with an initial velocity of 8 m/s (immediately after leaving your hand). Use gravity = -9.8 m/s2.
1. What is its acceleration immediately after releasing the ball?
2. What is its acceleration at its peak height?
The focal lengths of the objective and the eyepiece in a microscope are 0.29 cm and 2.50 cm, respectively. compute the final magnification of the microscope
Two identical 10 g iron springs, except that one has been wound using work W, are dropped into equal volumes of 15M HC1 in two identical constant volume calorimeters, that are adiabatically insulated. The HC1 will dissolve iron springs. What differen..
Determine the tension in each string
A 45.0 g ball of copper has a net charge of 2.1 µC. What fraction of the copper's electrons have been removed
Find out the maximum height reached by the athlete relative to the trampoline also f ind out the speed of the athlete when she is halfway up to her maximum height
To stop a car, first you require a certain reaction time to begin braking; then the car slows under the constant braking deceleration. Suppose that the total distance moved by your car during these two phases is 50.6 m when its initial speed is 79..
A train at rest emits a sound at a frequency of 1045 Hz. An observer in a car travels away from the sound source at a speed of 37 m/s.What is the frequency heard by the observer . What must be the result have been for the horizontal speed.
For two concentric conducting rings the inner of the large ring in 12 cm and the outer radius of the smaller ring is 4 cm, Calculate the electric potential half way between the two rings 8 cm away from the center of the rings
A hiker's trip consists of three segments. Path A is 9km long heading 60.0° north of east. Path B is 6.0km long in a direction due east. Path C is 5.0 km long heading 315° counter clockwise from east.
A projectile is fired with an initial speed of 68.8 at an angle of 37.8 above the horizontal on a long flat firing range. Find out the maximum height reached by the projectile.
A 23 bullet traveling 240 penetrates a 4 block of wood and emerges going 170. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges.
Monochromatic light of wavelength 500 nm is incident normally on a diffraction grating. how many TOTAL number of maxima can be seen
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