The picture above shows a football player kicking a football. this is known as two dimensional motion. in which direction does the football move? a) vertical only (y) b) horizontal only (x) c) horizontal and vertical (x, y) d) horizontal, vertical, and side to side (x, y, and z) the diagram shows the motion of a tennis ball that has just been hit with a racket (air resistance is neglected). which of these is true of the horizontal and vertical components of the ball’s velocity? a) both the horizontal and the vertical components are constant. b) both the horizontal and the vertical components are accelerated. c) the horizontal component is constant but the vertical component is accelerated. d) the horizontal component is accelerated but the vertical component is constant.
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Physics, 22.06.2019 01:30
Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j
Answers: 1
Physics, 22.06.2019 05:10
A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm
Answers: 2
Physics, 22.06.2019 05:50
Give your knowledge of these things in your paper, you will compare and contrast analog and digital signals to determine which is more reliable for encoding and transmitting information. you’ll compare these features: signal shape numerical values for signal measurements amount of data that can be transmitted energy requirements privacy and security (ability of the signal to be encoded in a secret code) clarity of signal in the space provided, write down what you already know about any of these features. if you’re not sure, write down questions you might have about the features.
Answers: 3
The picture above shows a football player kicking a football. this is known as two dimensional motio...
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