Physics, 24.03.2020 21:09 saigelthegreat8337
The formula d = t² + 5 t expresses a car's distance (in feet) from a stop sign, d, in terms of the number of seconds t since it started moving.
Determine the car's average speed over the interval of time from t = 4 seconds to t = 7 seconds.
Answers: 3
Physics, 22.06.2019 04:50, andrewsaul04
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 17:20, Tiredd7838
The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b. b. at twice the distance, the magnitude of the field is 2b. c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.
Answers: 3
Physics, 22.06.2019 21:10, bri9263
Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius 푅=0.381meters and mass 푀=3.1푘푔. initially 푚"is on the ground and 푚#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of 푚#just before it strikes the ground. assume the pulley bearing is frictionless.
Answers: 2
Physics, 23.06.2019 00:30, sarahsteelman
Define the terms moral development and moral reasoning.
Answers: 1
The formula d = t² + 5 t expresses a car's distance (in feet) from a stop sign, d, in terms of the n...
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