A net force along the x-axis that has x-component Fx=−12.0N+(0.300N/m2)x2 is applied to a 4.50 kg object that is initially at the origin and moving in the -x-direction with a speed of 7.10 m/s . A-What is the speed of the object when it reaches the point x = 7.80 m ?
A net force along the x-axis that has x-component Fx=−12.0N+(0.300N/m2)x2 is applied to a 4.50 kg...
A net force along the x-axis that has x-component Fx=−12.0N+(0.300N/m2)x2 is applied to a 3.80 kg object that is initially at the origin and moving in the -x-direction with a speed of 8.10 m/s . a.) What is the speed of the object when it reaches the point x = 7.70 m ?
A net force along the x-axis that has x-component Fx=−12.0N+(0.300N/m2)x2 is applied to a 3.40 kg object that is initially at the origin and moving in the −x-direction with a speed of 8.60 m/s. What is the speed of the object when it reaches the point x = 9.00 m?
A force acting on an object moving along the x axis is given by Fx = (3.0 – x) N where x is in m. Calculate the work done by the force when the object moves from x = 1.0m to x = 3.0m.
A force in the negative direction (on the x axis) is applied for 27 ms at 0.40 kg ball initially moving at a speed of 14 m / s in the positive direction of x. The force varies in magnitude and the momentum has a magnitude of 32.4 N.s. What is a) speed b) the direction of the ball after the force is applied? c) What is the magnitude of the average force applied to the ball?
A force acting on an object moving along the x axis is given by Fx = (14x - 3.0x2) N where x is in m. How much work is done by this force as the object moves from x = -1 m to x = +2 m? +12J +42J +32J +28J -12J
A 2.0 kg object moves along the x-axis under the influence of an unknown force. Its potential energy due to the force is U(x) = ax4 + bx2 , where a = 2.5 J/m4 and b = 12 J/m2 a) What is the force on the object when x = 0.5 m? b) If the object is released from rest at x = 0.5 m, what is its velocity when it crosses the origin?
A force in the negative direction of an x axis is applied for 34 ms to a 0.40 kg ball initially moving at 16 m/s in the positive direction of the axis. The force varies in magnitude, and the impulse has magnitude 32.4 N·s. (a) What is the ball's speed just after the force is applied? ____m/s (b) What is the average magnitude of the force? ___N
Object A has a mass of 50 kg and is initially moving along the x-axis at 5.0 m/s. It collides with object B, which has a mass of 22 kg initially at rest. After the collision, object A moves with a velocity of 3.0 m/s in a direction that is 30 degrees above the x-axis. What is the final velocity (magnitude and direction) of object B?
for both questions Two objects with masses represented by m, and m2 are moving such that their combined total momentum has a magnitude of 17.7 kg. m/s and points in a direction 71.5° above the positive x-axis. Object my is moving in the x direction with a speed of V1 = 2.90 m/s and my is moving in the y direction with a speed of v2 = 3.07 m/s. Determine the mass of each object in kilograms. kg m2 -...
Problem A-2.80 HC point charge is fixed at the origin of the x axis. A-7.80 uC point charge of mass 1.50 grams is moving along the r axis from the +x direction toward the charge at the origin. It has a speed of 22.0 m's when it is atx 0.800 m.Ignore gravity. Calculate (a) the total energy of the-780 pC when it is at x-0.800 m. 0.609 J (b) the position along the x axis where the speed of the...