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Problem: A ball launched from ground level lands 2 s later on a level field 30 m away from the launch point.
Part A: Find the magnitude of the initial velocity vector and the angle it is above the horizontal. (Ignore any effects due to air resistance.)
I need help to find the magnitude of the initial velocity vector.
A steam turbine is limited to a maximum inlet temp of 800 c the exhaust pressure is .0100 mpa, What is maximum power output per unit mass flow rate
An airplane takes off at sea level and climbs to a height of 480 m. Estimate the net outward force on a passenger's eardrum assuming the density of air is approximately constant
A 93.9 g bullet is fired from a rifle having a barrel 0.256 m long. Assuming the origin is placed where the bullet begins to move, theforce exerted on the bullet by the expanding gas is F=a+bx−cx2,where a2=18600N, b = 10800N/m, c = 26300 N/m2, wit..
Jose, whose mass is 45.0kg, is riding his 5.0-kg skateboard downthe sidewalk with a constant speed of 6.0 m/s, What is Joses's speen as he emerges from the sandy section
Three equal point charges, each with charge 2.00, are placed at the vertices of an equilateral triangle whose sides are of length 0.650. Illustrate what is the electric potential energy of the system?
If the sphere is enclosed in a room whose walls are kept at-5°C, what is the net flow rate of energy out of the sphere
its nighttime and youve dropped your goggles into a swimming pool that is 4.0m deep. if you hold a laser pointer 1.1m
calculate the ratio of the drag force on a passenger jet flying with a speed of 1100 kmh at an altitude of 10 km to the
The 95 mu F capacitor in a defibrillator unit supplies an average of 6500 W of power to the chest of the patient during a discharge lasting 5.0 ms
proof the following scenarion with sample calculationsan object of mass x on a pendular arm will reach the bottom of
David Purley, a racing driver, survived deceleration from 173 km/hto 0 km/h over a distance of .660 m when his car crashed. find the average force acting on him during the crash
Two meteoroids are 2.6×105 km from Earthand moving at 2.5 km/s. One is headed straight for Earth,while the other is on a path that will come within 8500 km of Earth's center. What is the speed of the first meteoroid when itstrikes Earth?
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