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A projectile is launched with a velocity of 20m/s at 60o with the ground.
A) Find Vy and Vx.
B) If the angle is changed to 30o, Determine the components, Vy and Vx.
C) Find at what angle are the magnitudes of the components equal?
An oscillating block-spring system has a mechanical energy of 1.00 J, an amplitude of 10.0 cm, and a maximum speed of 1.20 m/s. find the mass of the block, and the frequency of oscillation
A ceiling fan with 89.00 cm diameter blades is turning at 61rpm. Suppose the fan coasts to a stop 26s after being turned off.
The rectangle shown in Figure P3.57 has sides parallel to the x and y axes. The position vectors of two corners are A = 8.00 m at 50.0° and B = 12.0 m at 29.0°. Find the perimeter of the rectangle
a 120 turn coil of radius 1.8 cm and resistance 5.3 ? is placed outside a solenoid of radius 1.6 cm. Find the magnitude and direction of the current induced in the coil
A 0.250 kg block is placed on a vertical spring (k = 5.0 x 10^3 N/m) and pushed downward, compressing the spring 0.10 m. As the block is free, it leaves the spring and continues to travel upward. What height above the point of release would the bl..
a room with 3.0 m high ceilings has a metal plate on the floor with v 0v and a separate metal plate on the ceiling. a
A 250 kg space probe weighs 935N on thesurface of Mars. What is the gravitational field strength on the surface of Mars
In a certain RLC circuit, a46-?resistor, a11-mH inductor, and a 5-µF capacitor are connected in series with an AC power source for which Vrms=12V andf= 100 Hz. Calculate the phase between the current and the voltage.
A force vector has a magnitude of 589 newtons and points at an angle 43o of below the positive x axis. What are (a) the x scalar component and (b) the y scalar component of the vector?
a 250 g block is dropped onto a relaxed vertical spring that has a spring constant of k 2.0 ncm. the block becomes
A 0.45kg piece of putty is dropped from a height of 2.5m above a flat surface. find the magnitude of the average force exerted on the putty
question the charging circuit for the flash system of a camera uses a 130uf capacitor that is charged from a 250v power
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