Physics

Physics, 20.08.2019 18:50, jessicamendozacelis2

Is velocity increases at a constant rate show constant motion

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Physics, 17.07.2019 21:30, trinitytheriault

Aparticle moves outward along a spiral. its trajectory is given by r = a0 where a is a constant, a = (1/r) m/rad. θ increases in time according to t2/2. where α is a constant (a) sketch the motion, and indicate the approximate velocity and acceleration at a few points (b) show that the radial acceleration is zero when θ = 1/y2 rad. (c) at what angles do the radial and tangential accelerations have equal mag nitula: ?

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Physics, 10.09.2019 04:20, absmentalbreakdown

Problem 1 two positive point charges are released on a frictionless surface. which of the following best describes their subsequent motion? select one of the following: (a) the particles remain stationary. (b) the particles move apart with constant velocity. (c) the particles move apart with a velocity that decreases with time. (d) the particles move apart with a velocity that increases with time. (e) the particles move apart with a velocity that increases for a while and then becomes constant.

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Physics, 18.10.2019 00:50, anthony3913

1. in which situation does the motion of an animal show that net force is acting on that animal? a) an eagle remains flying at a constant velocity b) a running tiger increases its speed from 4 m/s to 6 m/s c) a sparrow remains stationary perched on a power line. d) at 0 s, a snake slithers forward with a velocity of 2 m/s. 5 s later the snake's velocity is still 2 m/s 2. which of the following is an example of a net force? a) a 10 kg box of books has inertia b) a car travels at a constant velocity of 10 m/s. c) friction pushes against an object, slowing it down. d) a car in motion will tend to stay in motion, while a car at rest will tend to stay at rest.

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Physics, 21.10.2019 23:10, dorafacegirl

Which of the following statements is true? give all correct answers a) if the acceleration of a body is constant in a given inertial reference frame (a frame of reference with constant velocity), it is constant in all other inertial reference frames. b) in projectile motion when air resistance is negligible it is never necessary to consider 3d motion rather than 2d motion. c) if the elevation angle of a projectile at launch increases, its range decreases. d) it is possible to be accelerating if you are traveling at a constant speed. e) you are driving a distance directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. your car will hit the crate before the crate hits the road if you neither brake nor swerve. f) if the elevation angle of a projectile at launch increases, its time-of-flight until impact also increases.

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