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Compute each part of following problem given below:
Problem: A tennis ball on Mars, where the acceleration due to gravity is 0.379 of a g and air resistance is negligible, is hit directly upward and returns to the same level 6.60s later.
Part A: How high above its original point did the ball go?
Part B: How fast was it moving just after being hit?
I don't know how to get that answer for the above problem. Please help! Thanks.
An individual white LED (light-emitting diode) has an efficiency of 20% and uses 1.0 W of electric power. How many LEDs should be combined into one light source to give a total of 1.6 W of visible-light output (comparable to the light output of a 40 ..
a 30uf capacitor initially charged to 20uf is discharged through a 2.2kohms resistor. how long does it take to reduce
A firm wants to determine the amount of frictional torque in their current line of grindstones, so they can redesign them to be more energy efficient. What is the frictional torque exerted on the grindstone
A 60-kg skier starts from rest from the top of a 50-m high slope. If the work done by friction is -6.0 15) x 103 J, what is the speed of the skier
If the company is presently selling 45,000 units, but plans to spend an additional $108,000 on an advertising program, explain how many additional units must the company sell to earn the same net income it is now making?
what rate must air be moving through the open window in order to keep the system in equilibrium.
A pair of flat mirrors meet to form a right angle. A beam of light is incident on one of them at a point 11.5 cm from their point of intersection, find what is the angle of incidence at the first mirror
Write the introduction of about two pages and the literature review parts of two or three pages about fundus camera.
The weight of a metal bracelet is measured to be 0.100 Newton in air and 0.092 Newton when immersed in water. Calculate its density
An ac generator with a frequency of 1.44 kilohertz and an rms voltage of 24.2 volts is connected in series with a 1.90 kilo-ohms resistor and a 330 mega hertz inductor. What is the average power consumed by this circuit
Between each pair of vertebrae in the spinal column is a cylindrical disc of cartilage. How far does the top surface move relative to the bottom surface
A 95 kg man standing on a surface of negligible friction shoves a 75 g stone lying at his feet, giving it a velocity of 4.0 m/s. What velocity does the man obtain accordingly.
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