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A roller coaster moves 200 feet horizontally, then raises 135 feet at an angle of 30.0 degree above the horizontal. Next, it travels 135 feet at an angle of 40.0 degree below the horizontal. Use graphical techniques to calculate the roller coasters displacement from its starting point at the end of this movement.
magnitude ft
direction ° (measured counterclockwise from the+x axis)
The density of ocean water is 1035 kg/m3. Use the gravitational acceleration of 9.8 m/s2 for the following questions. how deep the submarine can dive
A 8.41 kg crate slides on a horizontal surface. The coefficient of kinetic friction between the surface and the crate is 0.496. what is the magnitude of the external force acting on the crate
A 50.0-kg pole vaulter running at 10.0 m/s vaults over thebar. Her speed when she is above the bar is 1.0 m/s. Neglect air resistance, as well as any energy absorbed by the pole,and determine her altitude as she crosses the bar.
Two small conducting spheres by radii a and b are imbedded in a medium of resistivity ρ and permittivity ε with their enters separated by a distance d>>a,b. What is the resistance R among them
The magnetic flux passing through a single loop in a transformer changes at a rate of 2.3 Wb/s. Evaluate the voltage primary and secondary coil
A 0.70kg piece of lead at a temperature of 160C is dumped into 800mL of water at a temperature of 22C , How much heat flowed in this process
200 Ohm, 0.5mA galvanometers are usedfor making a 20 A ammeter and a 120 V voltmeter. Find resistance of the corresponding shunts
A bullet with a mass of 25.0 grams is fired into a block with a mass of 2.50 kg hanging from a string. to what height will the block and bullet go
question1a baseball is thrown at an angle of 20? relative to ground at a speed of 25.6 ms. the ball is caught 42.9416 m
The drawing shows a triple jump on a checkerboard, starting at the center of square A and ending on the center of square B, What is the magnitude of the displacement of the colored checker during the triple jump
The variable capacitor in the tuner of an AM radio has a capacitance of 3500 pF when the radio is tuned to a station at 500 kHz. Find what is the inductance
a stationary particle of charge q 2.6 times 10-8 c is placed in a laser beam an electromagnetic wave whose intensity
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