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A cannonball is fired with an initial velocity of 100. meters per second at an angle of 15.0° above the horizontal. What are the horizontal (vx) and vertical (vy) components of this velocity?
induce a potential difference between the ends of the wire
4.0 s
vx = 96.6 m/s, vy = 25.9 m/s
0.30 kg
-2 x 10^−6 C
8.9 m/s
lepton with 0 charge
1
If the spheres are brought into contact with each other and separated, sphere B will have a net charge of
induce a potential difference between the ends of the wire
4.0 s
vx = 96.6 m/s, vy = 25.9 m/s
0.30 kg
-2 x 10^−6 C
8.9 m/s
lepton with 0 charge
1
An antimuon neutrino is a
induce a potential difference between the ends of the wire
4.0 s
vx = 96.6 m/s, vy = 25.9 m/s
0.30 kg
-2 x 10^−6 C
8.9 m/s
lepton with 0 charge
1
Which graph best represents the motion of an object traveling at a constant positive velocity?
induce a potential difference between the ends of the wire
4.0 s
vx = 96.6 m/s, vy = 25.9 m/s
0.30 kg
-2 x 10^−6 C
8.9 m/s
lepton with 0 charge
1
A 1200-kilogram car is moving at 10. meters per second when a braking force of 3000. newtons is applied. How much time is required to bring the car to rest?
induce a potential difference between the ends of the wire
4.0 s
vx = 96.6 m/s, vy = 25.9 m/s
0.30 kg
-2 x 10^−6 C
8.9 m/s
lepton with 0 charge
1
A nuclear reactor produces 2.7 x 10^16 joules of energy per year. How much mass is converted to energy by the reactor in one year?
induce a potential difference between the ends of the wire
4.0 s
vx = 96.6 m/s, vy = 25.9 m/s
0.30 kg
-2 x 10^−6 C
8.9 m/s
lepton with 0 charge
1
A student uses a string to whirl a 0.25-kilogram mass in a horizontal circular path that has a 0.80-meter radius. If the magnitude of the centripetal force exerted on the mass with the string is 25 newtons, the speed of the mass is
induce a potential difference between the ends of the wire
4.0 s
vx = 96.6 m/s, vy = 25.9 m/s
0.30 kg
-2 x 10^−6 C
8.9 m/s
lepton with 0 charge
1
Moving the wire downward between the poles in the direction shown in the diagram will
induce a potential difference between the ends of the wire
4.0 s
vx = 96.6 m/s, vy = 25.9 m/s
0.30 kg
-2 x 10^−6 C
8.9 m/s
lepton with 0 charge
1
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