A child is trying to throw a ball over a fence. She gives the ball an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. The ball leaves her hand 1.00 m above the ground and the fence is 2.00 m high
The ball just clears the fence while still traveling upwards. How far is the child from the fence? A) 0.732 m
B) 1.58 m
C) 2.69 m
D) 3.81 m
E) 7.46 m
B
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a. 0 K. b. 0°C. c. 0°F. d. 0°R. e. the same as the temperature of the heat source.
Lobsters live on the bottom of the ocean, which means their density is
A) greater than the density of sea water. B) equal to the density of sea water. C) less than the density of sea water.
Orphan planets will most likely be found using which method used for finding exoplanets?
A) Doppler B) transit C) microlensing D) astrometric
A sound with a frequency of 11 Hz is in the ______________ region of the sound spectrum
a. infrasonic b. ultrasonic c. audible d. visible