An airboat with mass 3.50 x 102 kg (including passenger) has an engine. Suppose the pilot of the boat, starting from rest, starts the engine and the airboat moves. At a constant acceleration, the airboat then covers a distance of 60.0 m in 10.0s What is the net force acting on the boat?
An airboat with mass 3.50 x 102 kg (including passenger) has an engine. Suppose the pilot...
(c) After reaching that speed, the pilot turns off the engine
and drifts to a stop over a distance of 50.0 meters. Find the
resistance force, assuming it's constant.
PRACTICE IT Use the worked example above to help you solve this problem. An airboat with mass 4.38 x 10 kg, including the passenger, has an engine that produces a net horizontal force of 8.18 x 102 N, after accounting for forces of resistance (a) Find the acceleration of the airboat....
Use the worked example above to help you solve this problem. An airboat with mass 4.48 102 kg, including the passenger, has an engine that produces a net horizontal force of 8.14 102 N, after accounting for forces of resistance. (a) Find the acceleration of the airboat. m/s2 (b) Starting from rest, how long does it take the airboat to reach a speed of 15.8 m/s? s (c) After reaching that speed, the pilot turns off the engine and drifts...
a. An airplane has a mass of 3.79 × 104 kg and takes off under the influence of a constant net force of 3.45 × 104 N. What is the net force that acts on the plane's 82.7-kg pilot? Number = ______ N b. A person in a kayak starts paddling, and it accelerates from 0 to 0.527 m/s in a distance of 0.452 m. If the combined mass of the person and the kayak is 64.4 kg, what is...
A 2.00 × 102 kg iceboat is propelled across the horizontal surface of a frozen lake by the wind. The wind exerts a constant force of 4.00 × 102 N while the boat moves 0.90 km. Assume that frictional forces are negligible and that the boat starts from rest. What is the boat’s final speed?
QUESTION 3 A 60-kg (including the passenger) sled is subject to a net force of 20 N pushing in the direction of the sled's motion as it is moving over a horizontal surface for a distance of 11 m after having started from rest. At this point the sled is released as it starts down a 10.0" incline. However, the snow is not very deep, and the sled stops after having moved an additional 35 m. What is the work...
1) An archer fires an arrow from a bow. The arrow’s mass is 0.088 kg, and an average force of 110 N is exerted by the bowstring over a 0.78 m distance. Calculate the velocity of the arrow just after it is released by the bowstring by two methods: a) Calculate the arrow’s acceleration that is caused by the bowstring, and use kinematic equations to calculate the velocity at the end of the acceleration. Assume a constant acceleration that corresponds...
A 3.50-kg block starts from rest at the top of a 30.0° incline and slides a distance of 1.90 m down the incline in 2.00 s. (a) Find the magnitude of the acceleration of the block. .............. m/s2 (b) Find the coefficient of kinetic friction between block and plane. (c) Find the friction force acting on the block. magnitude ...........N (d) Find the speed of the block after it has slid 1.90 m. ................. m/s
3. An airboat with mass 250.0 kg has an engine that produces a net force of 800.0 N. Starting from rest, find the time it takes the airboat to reach a speed of 12.0 m/s.
A jet aircraft with a mass of 4,675 kg has an engine that exerts a force (thrust) equal to 59,500 N. (a) What is the jet's acceleration when it takes off? (Give the magnitude.) m/s2 (b)What is the jet's speed after it accelerates for 9 s? (Assume it starts from rest.) m/s (c) How far does the jet travel during the 9 s? m
A loaded ore car has a mass of 9.50 x 102 kg and rolls on rails with negligible friction. It starts from rest and is pulled up a mine shaft by a cable connected to a winch. The shaft is inclined at 30.0° above the horizontal. The car accelerates uniformly to a speed of 2.20 m/s in 12.0 s and then continues at constant speed. (a) What power must the winch motor provide when the car is moving at constant...