A horse is pulling a cart on a flat road. The cart accelerates and exerts a force of 850 N on the horse in the negative direction. Which statement describes the force exerted on the cart? A. The horse exerts a force of 850 N on the cart in the positive direction. B. The horse exerts a force of 850 N on the cart in the negative direction. C. The ground exerts a force of 850 N on the cart in the positive direction. D. The ground exerts a force of 850 N on the cart in the negative direction. i have no clue if this is physics
Answers: 1
Physics, 21.06.2019 23:00, yourgirlnevaeh
For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.
Answers: 1
Physics, 22.06.2019 02:00, LadyHolmes67
The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s
Answers: 3
Physics, 23.06.2019 01:00, shubbs1038a
First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.
Answers: 2
A horse is pulling a cart on a flat road. The cart accelerates and exerts a force of 850 N on the ho...
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