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A ball is thrown toward a cliff of height h with a speed of 29m/s and an angle of 60? ^\circ above horizontal. It lands on the edge of the cliff 3.5s later.
Question:
A) How high is the cliff?
B) What was the maximum height of the ball?
C) What is the ball's impact speed?
The electric potential energy stored in the capacitor of a defibrillator is 58 J, What is the potential difference across the capacitor plates?
A 39.00 g ball is fired horizontally with initial speed v_0 toward a 110g ball that is hanging motionless from a 1.00 m-long string. The balls undergo a head-on, perfectly elastic impact, after which the 110 g ball swings out to a highest angle th..
The allowed energies of a simple atom are 0.00 eV, 4.25eV , and 6.64eV. What wavelengths appear in the atom's emission spectrum
Michael Phelps won a gold medal at the 2008 Beijiing olympics by swimming the 200 meter medley in 1:54:80. On an off-day Mike swims the medley in 1:58:32. What is the speed in mph? (Give the ans. to two decimal places)
When a high-speed passenger train traveling at 170 km/h rounds a bend, engineer is shocked to see that a locomotive has improperly entered onto the track from a siding and is a distance D = 601 m ahead.
A 63.0 ?F capacitor is connected to a generator operating at a low frequency. The rms voltage of the generator is 4.00 V, at what frequency will the fuse burn out
Two non-conducting infinite planes of uniform surface charge ?1 = 13.11 µC/m2 and ?2 = ?3.5 µC/m2 are parallel to each other and d = 0.129 m apart, What is the electric field outside the planes, at A
Standing at a crosswalk, you hear a frequency of 500 Hz from a siren of an approaching ambulance. Determine the ambulance's speed from these observations
A 54.00 kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion. Find out the force (magnitude and direction) exerted on her by the bungee cord at an instant while her downward acceleratio..
A charged oil droplet falls 5.0 mm in 20.0 s at terminal speed in the absence of an electric field. What are the mass and radius of the drop
A thin, uniformly charged spherical shell has a potential of 638 V on its surface. Outside the sphere, at a radial distance of 16.0 cm from this surface, Calculate the radius of the sphere
Find the mans rate of sweat production
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