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A ball is thrown from the edge of a cliff that is 10.0 meters high. The ball is thrown at 10.0 m/s at an angle of 45 degrees above the horizontal.
a) Find the maximum height of the projectile with respect to the ground.
b) Find the total time of flight.
c) Find the horizontal distance that the projectile traveled.
A ball of mass 1.020 g and positive charge q =45.2 microC is suspended on a string of negligible mass in a uniform electric field. We view that the ball hangs at an angle of theta=15.0 from the vertical. What is the magnitude of the electric field.
A 5.00 x 10^4 kg space probe is travelling at a speed of 14000 m/s through deep space. Retrorockets are fired along the line of motion to decrease the probe's speed. The retrorockets generate a force of 4.00 x 10^5 N over a distance of 2600 km. What ..
Far in space, where gravity is negligible, a 480-kg rocket travelling at 95 m/s fires its engines. The figure shows the thrust force as a function of time. The mass lost by the rocket all through these 30s is negligible.
A potential difference of 81 mV exists between the inner and outer surfaces of a cell membrane. The inner surface is negative relative to the outer surface. How much work is required to eject a positive sodium ion (Na+) from the interior of the ce..
A parallel combination of an 10 resistor and an unknown resistor R is connected in series with a 13 resistor and a battery. What is the unknown resistance R
A 117 kg fullback runs at the line of scrimmage. How fast was he running initially
Calculate the orbital period of Neptune (in yr) from knowledge of G, the mass of the sun (M = 1.99×1030 kg), and the orbital radius of Neptune of 3.00×101A.U
An automobile has a vertical antenna 1.30 m long. The automobile travels eastward at 65 km/h on a horizontal road, Calculate the maximum magnitude of the induced emf in the antenna
The rear axle of a truck is 2.5 m long. If the truck is moving at 28 m/s, what emf is induced between the ends of the axle
A student uses an audio oscillator of adjustable frequency to measure the depth of a water well. how many antinodes are in the standing wave
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0618 s, during which time it experiences an acceleration of 326 m/s2. The ball is launched at an angle of 57.3° above the ground. Determine..
Pulsed lasers used in science and medicine produce very short bursts of electromagnetic energy. If the laser light wavelength is 1062 nm, How many wavelengths are found within the laser pulse
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