Supergirl pushes with a force of 24,000N on a 5000kg truck carrying stolen biological weapons to hold the truck in place on a 35deg incline. What would happen to her pushing force if the angle is increased?

Q: roller coaster have a velocity of 9.5 m/s goes thru a loop where R = 6.7 meters. /hat normal force…

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Q: A roller-coaster car has a mass of 1050 kg when fully loaded with passengers. As the car passes over…

A: The roller coaster is moving in a uniform circular motion.

Q: A net force of 450N accelerates a bike and rider at 3.5m/s^2, what is the mass of the bike and…

A:

Q: Part of a roller-coaster ride involves coasting down an incline and entering a loop 6.8…

A: mg(h - 2R) = (1/2)mv2andmv2/R - mg = mgsolve for h

Q: 09: Three books X, Y, and Z rest on a table. The weight of each book is indicated as shown in the…

A: Dear student When any particle is at rest, the net force on it is always zero. Also when two blocks…

Q: A student wrote: “The only reason an apple falls downward to meet the earth instead of the earth…

A: Apple and earth

Q: As a roller coaster (weight is w at rest) crosses the top of a 46-m-diamater loop-the-loop in a…

A: The radius of the loop is, r=d2=46 m2=23 m The centripetal acceleration of the roller coaster is,…

Q: A 0.50-kg ball that is tied to the end of a 1.8-m light cord is revolved in a horizontal plane, with…

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Q: A large truck traveling at 40 mi/hr down Lake Avenue collides with a Monarch butterfly that is…

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Q: The roller coaster 'Scream' at Six Flags Magic Mountain has a vertical circular loop. After a huge…

A: Solution:Given thath  = 141 ftradius of loop r = 64 ft = 19.5 mmass m = 56.2 kgv = 64.3 mph =

Q: Imagine you are at a carnival. At the carnival is ride that has a chair attached to ta 9m long chain…

A: diagram: Given Datm=150kgω=1revx2π5rad/sFmax=3000Nθ=20°R=9mTo find : Tension in the chain due to…

Q: A boy is pushing with a 12.5N on a box on a frictionless surface at a 25° angle to the horizontal…

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Q: In the following questions, create a force diagram for the underlined object, making sure the force…

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Q: 2.00m/s on the track. If a student drops a 50g weight on the PASCar and the weight sticks with the…

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Q: person stands on a scale inside an elevator at rest. The scale read 800N. What is the person mass?

A: Reading of scale when a person is standing inside a stationary elevator = 800 N

Q: A car goes around a curve on a road that is banked at an angle of 34.5 °. Even though the road is…

A: The speed of the car can be written as v=Rgμs+tanθ1-μstanθ1/2       μs=0v=Rgtanθ1/2…

Q: Question 8 Figure shows the velocity graph of a 65 kg student in an elevator. What is the student's…

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Q: A 1250-kg car is being pulled up a frictionless ramp at a constant speed, as shown in the figure.…

A: Given:Mass of the car = 1250 kg

Q: A 4.12 N ball needs to be accelerating in the vertical direction at 20 m/s2 to reach its target…

A:

Q: A crate with a mass of 15kg is being dragged across the groud at a constant velocity of 2.0 m/s by…

A:

Q: What is the maximum speed that a 832 kg car can have without slipping off an icy road as it goes…

A: Given, m=832 kgR=68.8 mμ=0.350

Q: A student wants to angle a ramp such that if she releases a 2.8kg cart at the top of a ramp, the…

A: The student releases a 2.8 kg cart from the top of a ramp, such that the cart travels a distance of…

Q: Jane needs to swing across a river filled with man-eating crocodiles in order to rescue Tarzan from…

A:

Q: A baseball with mass of 0.145 kg is thrown straight down at the ground. At a particular speed, it…

A: Kinematics.

Q: Brandon stands at rest with both feet on a scale that reads 638 N. When he gently lifts one foot,…

A:

Q: A stunt driver is approaching a cliff at very high speed. Sensors in his car have measured the…

A: Given data: The mass of the car, m=1250 kg. The initial force in the direction of motion of the…

Q: A 6.0-lb stroller resting on a horizontal floor is pulled by a 85-lb boy with a constant force of…

A: Given mass of stroller ms = 6 lb = 2.72 kg mass of boy mb = 85 lb = 38.56 kg value of Force F = 75…

Q: 2. When you weigh yourself on solid ground, your weight is 790 N. You stand on a bathroom scale in…

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Q: There are two interactions that involve a stone at rest on the ground. One is between the stone and…

A: The first interaction that involves a stone at rest on the ground is between the Earth and the…

Q: A 3192kg car is going up the Amerat hill, at angle 16.8, with 2 people inside the car each of 49kg.…

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Q: statue slides down a ramp inclined at an angle ?=40∘, the curator pushes up, parallel to the ramp's…

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Q: A cable lowers a 1050 kg elevator so that the elevator's speed increases from zero to 4.0 m/s in a…

A:

Q: A study of bluefish locomotion found that their tail motion produces an average thrust of 0.65 N.…

A:

Q: Given: A 1450-kg sports car (including the driver) crosses the rounded top of a hill (radius = 88.0…

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Q: a) What is the normal force on the skier at point B? b) What is the skier's speed when she leaves…

A: 6) a) At point B, the forces acting on the skier can be shown as follows. Applying Newton’s 2nd…

Q: An elevator accelerates upward at 6.6 m/s ^ 2 A passenger with amass of 64 kg stands on the scale…

A: Given data: Acceleration of elevator (a) = 6.6 m/s2, upward Mass of passenger (m) = 64 kg…

Q: A 20 kg bike accelerates at 10 m/s“. With what force was the person pedaling? Reminder: F = ma O 30…

A: Given Mass of bike is m= 20 kg Acceleration of bike is a= 10 m/s2 Find the amount of force acting on…

Q: (8c5p32) A 120 kg crate is pushed at constant speed up the frictionless 32° ramp shown in the…

A: Visualize the Problem:

Q: A fire helicopter carries a 690-kg bucket of water at the end of a 20,0-mg long cable. Flying back…

A:

Q: Determine the speed v which the 680-kg four-man bobsled must have in order to negotiate the turn…

A: mass of object= 680 Kg radius, R= 57 m

Q: Why Is It Dangerous To Jump Out Of A Moving Bus?

A: The inertia of motion causes the passenger of a bus to fall down or temporarily lose his balance as…

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!