Physics, 02.03.2020 18:55 Ilcienne9736
A car travels along a highway with a velocity of 24 m/s, west. The car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45° north of west. What is the magnitude of the average acceleration of the car during the four-second interval?
Answers: 3
Physics, 22.06.2019 04:50
The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.
Answers: 2
Physics, 22.06.2019 14:00
Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
Answers: 1
Physics, 23.06.2019 02:40
The two metal spheres in the figure are connected by a metal wire with w switch in the middle. initially the switch is open. sphere 1, with the larger radius, i'd given a positive charge. sphere 2, with the smaller radius, is neutral. then the switch is closed. afterward, sphere 1 has charge q1, is at potential v1 and the electric field strength at its surface is e1. the values for sphere 2 are q2, v2, and e2. a. is v1 < ,> , or = to v2? explain. b. is q2 < , > , or = explain? c. is e1 < ,> ,or = to e2? explain?
Answers: 1
A car travels along a highway with a velocity of 24 m/s, west. The car exits the highway; and 4.0 s...
Mathematics, 14.09.2020 22:01
Mathematics, 14.09.2020 22:01
Mathematics, 14.09.2020 22:01
Physics, 14.09.2020 22:01
Mathematics, 14.09.2020 22:01
Health, 14.09.2020 22:01
Mathematics, 14.09.2020 22:01
Mathematics, 14.09.2020 22:01
Mathematics, 14.09.2020 22:01
History, 14.09.2020 22:01
Social Studies, 14.09.2020 22:01
Mathematics, 14.09.2020 22:01
History, 14.09.2020 22:01
Mathematics, 14.09.2020 22:01
History, 14.09.2020 22:01
Mathematics, 14.09.2020 22:01
Mathematics, 14.09.2020 22:01
Mathematics, 14.09.2020 22:01
History, 14.09.2020 22:01
Mathematics, 14.09.2020 22:01