At the end of amusement park ride, it is desirable to bring a gondola to a stop without having the acceleration exceed 2g, if the total mass of the gondola and it occupants is 2,000 kg what is the maximum allowed braking force ?

Q: What is the magnitude of the net force needed to bring a 2085 kg car to rest from 25.6 m/s in 9.3…

A: Solution: Given that mass m= 2085 kg vinitial = 25.6 m/s time t = 9.3 s to find the force required

Q: A car of mass 250 kg, is accelerated from rest by a net force of 400 N for 20 s.  After this, the…

A: Given: Mass (m) = 250 Kg  time (t1 ) = 20 s  Force (F1) = 400 N  Force (F2) = 100 N

Q: A child’s model boat, when placed in a creek, accelerates from rest at 1.4 m/s2. If the river is…

A:

Q: A 3,000-kg jet plane is takes off on board an aircraft carrier assisted by a steam catapult that…

A: Answer Given  Mass of jet plane M = 3000 kg Length of runway l = 75 m Airborne velocity v = 200…

Q: A book is caused to slide with initial velocity 4.59 m/s on a rough floor. If the coefficient of…

A:

Q: In a crash test, a car is driven into a solid wall at a speed of 35 mph. As shown the car’s…

A: Given   Mass of the car m =1650 kg  Maximum acceleration a = 300 m/s2        From the graph

Q: A car is traveling along at 20 m/s when it suddenly slams on its brakes. If the mass of the car is…

A: It is given that, u=20 m/sm=1000 kgF=2000 N

Q: A child’s model boat, when placed in a creek, accelerates from rest at 1.51 m/s2. If the river is…

A: Initial velocity = 0 msAcceleration (a) = 1.51 ms2Force (F) = 0.79 N

Q: In the figure, blocks A and B have weights of 54 N and 22 N, respectively. (a) Determine the minimum…

A: (given) Weight of block A = 54 N Weight of block B = 22 N (a) N = WA+WCf = μs N T  =μsWA+WC22=0.2354…

Q: A 821-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

A: Given: The mass of the car is 821 kg. The initial speed of the car is 0 m/s. The final speed of the…

Q: QUESTION 3 The frequency of a sinusoidal wave on a string--- a. Remains constant b. Decreases when…

A: Given Sinusodal wave is passingthrough on a string We have to choose the correct option for the…

Q: Determine the acceleration of the masses

A:

Q: An SUV hauling a trailer is travelling at 20 m/s when the driver brakes. The 1.2 MT trailer is…

A: Kinetic energy is the energy of motion, observable as the movement of an object, particle, or set of…

Q: A 1216-lb object is launched from the ground with an initial upward velocity of 70 ft/sec. The…

A:

Q: how much does the force required to stop a car increase if the initial speed is doublea while the…

A:

Q: A 3500lb car decelerates from 60mph to 45mph in 8 seconds. Neglecting friction, what is the average…

A:

Q: A crate of mass m falls off a truck and initially travels at a speed vo​after it hits the ground.…

A:

Q: A horizontal force of 680N is needed to overcome the force of static friction between a level floor…

A:

Q: Blocks A, B, and C are being pushed across a frictionless table by a hand that exerts a constant…

A:

Q: A 10kg object is initially moving east at constant speed. A net external force of 20N directed west…

A: Given data:  Mass (m) = 10 kg Initial velocity is constant, towards East Force (F) = 20 N, towards…

Q: A bunny with a mass of 300g glides with negligible friction down a hill covered with snow. If the…

A:

Q: A 1370 kg car is skidding to a stop along a horizontal surface. The car decelerates from 25 m/s to a…

A: Initial speed, u = 25 m/s Final speed, v = 0 m/s Time, t = 2 s Mass of the car, M = 1370 kg…

Q: A stone of 1 kg is thrown with a velocity of 20 m s-1 across the frozen surface of a lake and comes…

A: The initial velocity of the stone, u= 20 m/s The final velocity of the stone, v= 0 Distance covered…

Q: Given in the figure are two blocks A and B of weight 20 N and 100 N, respectively. These are being…

A:

Q: a) A bus of mass 760 kg requires 120 m to reach certain velocity value Vf. Ignore friction and drag…

A:

Q: A semi truck with a trailer is designed to stop in a 100 m distance while maintaining its load…

A:

Q: A 1,000 kg car traveling along the highway at 30 m/s slows to 10 m/s in 5.0 s. The magnitude of the…

A: Given, Mass of the car, M=1000 kg Initial velocity, u=30 m/s Final velocity, v=10 m/s Time taken,…

Q: A tree trunk can be penetrated to a depth of 5.30 cm by a 7.80-g bullet traveling at 520 m/s. (a)…

A: Answer: Given data, Penetration depth (d)=5.30 cm=0.0530 m Mass of bullet (m)=7.80 gm=7.80×10-3 kg…

Q: A small car gets into a head on collision with an 18-wheeler. During the collision, which vehicle…

A:

Q: Your Physics 4A physics textbook is pressed against the wall by a mysterious floating hand as shown…

A:

Q: A 845-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

A: Find acceleration of the car during this period,

Q: Many birds can attain very high speeds when diving. Using radar, scientists measured the altitude of…

A: Given: The vertical distance of the dive is 208 m. The time taken is 3.0 s. The mass of the swallow…

Q: force of the car

A:

Q: A dockworker applies a constant horizontal force of 80.0N to a block of ice on a smooth horizontal…

A: Given : F = 80 N vo = 0 (because block starts from rest) x = 20 m t = 9 s

Q: A commercial airplane is coming in for a landing. Just before it hits the runway it is moving at 76…

A: a=v2-u22d=0 m/s2-76 m/s221.6km103 m1 km=-1.81 m/s2

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!