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- The driver of a Bugatti Veyron experiences a force of magnitude 792 N while accelerating from rest to 125km/h in 6.30 s. What is the mass of the driver?A soccer player starts from rest and accelerates forward, reaching a velocity of 9.00 m/s in 3.00 s. What force exerts forward on him from the ground to achieve this acceleration? The player's mass is 60.0 kg, and air resistance is negligible.An SUV drives on a straight-line track. Starting with a speed v0 = 14.4m/s, it comes to rest over a distance d = 28.8m Part (a) Write an expression for the magnitude of the net force on a passenger with mass m . If m = 61.3kg, then what is the numeric value, in newtons, for the net force in Part (a)? .
- The parachute on a race car of weight 8 820 N opens at the end of a quarter-mile run when the car is traveling at 35 m/s. What total retarding force must be supplied by the parachute to stop the car in a distance of 1 000 m?A dockworker applies a constant horizontal force of 71.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 10.5m in a time of 4.80s. What is the mass of the block of ice? If the worker stops pushing after 4.80s, how far does the block move in the next 5.40s?A cart with mass 15.0 kg moves in a straight line on a frictionless horizontal surface. Take this surface to be along the x-axis. The cart has an initial speed of 8.00 m/s and it was pushed 5.00 m in the same direction as the initial velocity by an external force with a magnitude of 20.0 N. What is the cart's final speed?
- A person traveling in a 2,000 kg car at a constant speed of 40.0 m/s applies the brakes, causing a constant 300.0 N force to oppose the car’s motion. What distance is traveled before the car comes to a complete stop?A dockworker applies a constant horizontal force of 80.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves 20.0 m in the first 9.00 s. What is the mass of the block of ice?A 3.45×103 kg train is stopped at a station. The train must go around a 149 m diameter corner right after it leaves the station. As the train leaves the station it provides a constant forward force of 1.67×103 N. What is the train's acceleration after 5.00 s?