An 80.0-kg passenger in an SUV traveling at 1.00 × 10³ km/h is wearing a seat belt. The driver slams on the brakes and the SUV stops in 45.0 m. Find the force of the seat belt on the passenger.
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- A person catches a ball with a mass of 145 g dropped from a height of 60.0 m above his glove. His hand stops the ball in 0.0100 s. What is the force exerted by his glove on the ball? Assume the ball slows down with constant acceleration.A 3.196E+3-kg Chevy Suburban on route 422 is stopped at the light in Annville heading eastbound. After the light turns green, the driver puts the pedal to the floor. The engine provides a monstrous 1.647E+4 N of forward force on the Suburban. The vehicle passes by the Allen Theatre at 11.3 m/s. Air resistance and friction contribute a 2.544E+3 N force that opposes the motion. Find out how far (in m) the suburban travels in the 3.80 s after it passes the Allen Theatre.A force applied to an object of mass m1 produces an acceleration of 3.66 m/s2. The same force applied to a second object of mass m2 produces an acceleration of 6.35 m/s2.What is the value of the ratio m1/m2?
- A 32.7-kg crate rests on a horizontal floor, and a 62.0-kg person is standing on the crate. Determine the magnitude of the normal force that (a) the floor exerts on the crate and (b) the crate exerts on the person.Two forces, F = 2.50 i N and F2 = (1.20 i – 2.30 j) N , act on a 3.00 kg object. Find the magnitude of acceleration of the object. a = 4.0V m/s?If a 3.10 kg body has an acceleration of 7.20 m/s directed at 38.0° to the positive x axis, what is the x component of the net force acting on the body?
- A 260-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0 with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.870, and the log has an acceleration of 0.800 m/s2. Find the tension in the rope.Two objects are connected by a massless cable passing over a frictionless pulley. Object A is positioned on a table, while object B hangs freely. The coefficient of kinetic friction between object A and the table is 0.09950. If the mass of object A is 150 kg, and the mass of object B is 238 kg, what is the acceleration of the objects?The force exerted by the wind on the sails of a sailboat is F sailboat = 435 N to the north. The water exerts a force of F (keel) = 245 N to the east. If the ship (including its crew) has a mass of 355 kg, what is the magnitude and direction of its acceleration?