Physics, 17.09.2019 20:20 ksawyer745
Arugby player passes the ball 6.78 m across the field, where it is caught at the same height as it left his hand. (assume the player is facing the +x direction.) (a) at what angle (in degrees counterclockwise from the +x-axis) was the ball thrown if its initial speed was 13.1 m/s, assuming that the smaller of the two possible angles was used? ° counterclockwise from the +x-axis (b) what other angle (in degrees counterclockwise from the +x-axis) gives the same range? ° counterclockwise from the +x-axis why would it not be used? the larger angle would provide a smaller maximum height, reducing the chances that the receiver would see the ball mid-flight. the larger angle would provide a smaller maximum height, increasing the chances that an opponent would intercept the ball mid-flight. the larger angle would give the receiver less time to achieve an optimal offensive position. the larger angle would give an opponent more time to achieve an optimal defensive position.
Answers: 1
Physics, 22.06.2019 02:50
20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.
Answers: 3
Physics, 22.06.2019 19:30
The nuclear potential that binds protons and neutrons in the nucleus of an atom is often approximated by a square well. imagine a proton conned in an innite square well of length 105 nm, a typical nuclear diameter. calculate the wavelength and energy associated with the photon that is emitted when the proton undergoes a transition from the rst excited state (n 2) to the ground state (n 1). in what region of the electromagnetic spectrum does this wavelength belong?
Answers: 1
Physics, 22.06.2019 23:10
Atorque acting on an object tends to produce a. equilibrium b. rotation c. linear motion d. velocity e. a center of gravity
Answers: 2
Physics, 23.06.2019 05:30
What are the differences and relationships between speed, velocity, and acceleration
Answers: 1
Arugby player passes the ball 6.78 m across the field, where it is caught at the same height as it l...
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