Q2: Jane, who weighs 500 N, must cross a river full of hungry crocodiles to save Tarzan, who weighs 700 N, from danger. She jumps (from rest) off a cliff hanging from the end of an 18 m long vine, Fig. length, Fig. 1(b). From the top of the cliff to the lowest point of the trajectory she descends 3.0 m. The vine will break if the force exerted on it exceeds 650 N. (a) Show that she will not be able to reach Tarzan? (b) And determine the angle of rupture θ, with respect to vertical. (c) Using a rope strong enough to hold them both, Jane rescues Tarzan. What will be the speed of the two when Jane "grabs" him (assume Jane is s

Q: The only force acting on a 2.0-kg body moving along the x axis is given by Fx = 2x where force is…

A: Given : equation of force, Fx = 2x  mass of the body, m = 2.0 kg  Velocity at x = 0, vo = 3 m/s to…

Q: A 2.86-kg particle is subject to a net force that varies with position as shown in the figure. The…

A: Given, Mass of the particle =2.86 kg It is given that the particle starts from rest at x =0 A figure…

Q: What is the power of a 50 kg bicyclist that can climb a hill 20 m high in 100 sec?  a) 98 watts b)…

A:

Q: You exert a constant 21N force on a block of mass 8kg through a distance of 11m. If you push…

A:

Q: A5 kg object under the influence of a varying force F as shown in figure. If the object start from…

A: From the graph, we first need to find the work done on the 5 kg object The area under the force vs…

Q: A 7450kg car is travelling at 28.7m/s when the driver decides to exit the freeway by going up a…

A:

Q: What is the magnitude of the force required to stretch a 10 cm-long spring, with a spring constant…

A: Given intial length of the string l= 10cm Spring constant of the spring k= 100N/m Length after…

Q: A force of friction of 2500 N brings a car travelling at 23 m/s to rest. Over what distance does it…

A: f=Force of friction=2500 Nm=Mass of car=1500 kga=Accelerations=Displacementv=Final…

Q: A bowling ball is dropped from the top of a building that has a height of h = 104 m. a.  Assuming…

A: Given: The height of h = 104 m The initial velocity of the ball is vi=0 (because dropped from…

Q: The force acting on a skater of mass 73.4 kg is attenuated with her speed v as F=-1.23*v2, where v…

A: Given that: Mass of skater, m=73.4 kgF=-1.23 v2Initial speed, vi=4.06 m/sInitial speed, vf=2.24…

Q: Tarzan, who weighs 688 N, swings from a cliff at the end of a vine 18 m long. From the top of the…

A: a. the vine does not break. b. the speed of the Tarzan at the bottom of the swing can be calculated…

Q: Q4 In the figure, a 3.9 kg block slides along a track from one level to a higher level after…

A:

Q: In the figure below, a runaway truck with failed brakes is moving downgrade at 36 m/s just before…

A:

Q: Q 5(a) Given the mass of the block is 12kg, µk = 0.4, what is F so that the block moves at a…

A:

Q: What is the tension in the 10 – m long rope holding Tarzan (mass = 80  kg) right at the bottom of…

A:

Q: The only force acting on a 2.0 kg body as itmoves along a positive x axis has an x component Fx 6x…

A: The work done on the body is,

Q: A 8.3 kg weather rocket generates a thrust force of 200 N. The rocket, pointing upward, is clamped…

A: Mass, m=8.3 kg Spring constant, k=500 N/m Stretched length in spring, x=35.7 cm =35.7 x10-2 m

Q: Question 2) A 6.7 kg object initially starts from rest at the top of a ramp. The length of the ramp…

A:

Q: Corey, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the…

A: Apply newton’s second law of motion along the motion of the lift,

Q: A 5.5 kg block that is initially at rest on a frictionless horizontal surface was pulled with a…

A: Given data:  Mass (m) = 5.5 kg Force (F) = 3.8 N Initial velocity (v0) = 0 m/s Final velocity (vf) =…

Q: 65 kg teacher, starting from rest, glides gracefully down a slide while the net force on her is a…

A:

Q: the only force acting on a 2kg body moving along the x-axis is given by Fx=(2.0x)N, where x is in m.…

A: The equation of motion is

Q: A 10 kg block with an initial velocity of 10 m/s slides 10 meters across a horizontal surface and…

A: Given information,mass of block, m=10kginitial velocity  , u=10m/sdistance , s= 10mtime ,  t=2sso…

Q: How much power is developed by an airplane that cruises at 300 m/s when the thrust of its engine is…

A: Thrust ( T ) = 1.5 * 10 5 N  Velocity ( v ) = 300 m/s

Q: 1). what is the speed of a 14 kN body at rest then falling from a height of 238 m.

A: As per guidelines only first question is solved here. 14 kN body at rest Height, h = 238 m

Q: A skier starts to slide from the 20 m high ramp for the first time without speed and without…

A:

Q: 1.) The force on a 3.00-kg object as a function of position is shown in the figure. If an object is…

A: Answer:-  Given  Mass of an object (m) = 3 kg  Initial velocity of an object (u) = 2.50 m/s  Final…

Q: Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the…

A: Apply newton’s second law of motion along the motion of the lift, and substitute 95kg, for m,…

Q: what is the speed as it leaves her foot traveling in the opposite direction?

A: According to Newton's Second law of motion , we can write that…

Q: A škydiver weighing 170 lbf (including equipment) falls vertically downward from an altitude of 6000…

A: Given: Weight of skydiver=170lbf Falling at an Altitude of 6000 ft. t1=11s of freefall…

Q: When considering relative velocity, which of the following scenarios would result in a runner being…

A: A tail wind is a wind that flows in the direction of travel of object . A head wind is the wind that…

Q: A hockey puck with mass 0.165 kg is pushed across the ice with a constant force of 0.42 N. The…

A:

Q: 1.) The force on a 3.00-kg object as a function of position is shown in the figure. If an object is…

A: Area bounded unde force displacement graph represent work done.

Q: A Go Kart (m=D35 kg) has a top speed of 12 m/s. A student traveling at top speed locks the brake to…

A:

Q: The IKAROS spacecraft, launched in 2010, was designed to test the feasibility of solar sails for…

A: Given that, Mass of the spacecraft, m=290 kg Force, F=1.12mN=1.12×10-3N Duration, t=6 months=6×30…

Q: An airplane flies at a constant altitude of 1200 m and a constant speed of 80 m/s when a 7.0 kg…

A: Required :  The path followed by the ball.

Q: A 5 kg object under the influence of a varying force F as shown in figure. If the object start from…

A: Calculate the work done from x=0 to x= 8m.

Q: A skier is gliding down a slope. Match the answers with questions based on the Figure 4.11. a h C d…

A:

Q: There is an object with a mass of 2.6 kg that is free to move on a horizontal surface without any…

A: Mass of body= 2.6 kg F =(3N)i^+(4N)j^ Distance, s= 1m

Q: A 50 kg person jumping from a height of 1 m is traveling at 4.5 m/sec just prior to landing. Suppose…

A:

Q: A dart gun has a spring of spring constant k = 13 N/m which is used to shoot a dart of mass m. The…

A: Initially, the dart is at rest, and finally, the spring is in original state. Therefore, initial…

Q: Determine the net force required to accelerate a 540kg ultra light car from 0-27 m/s (60mph) in 10.0…

A: Given that---- Mass = 540 kg Initial velocity (u) = 0 m/s Final velocity (v) = 27 m/s Time (t) = 10…

Q: A 2.1 ✕ 103-kg car starts from rest at the top of a 5.2-m-long driveway that is inclined at 24° with…

A: mass, m = 2100 kg  length, L = 5.2 m  Angle, A = 24° Friction force, f = 4000 N

Q: 4) The force on a 3.00-kg object as a function of position is shown in the figure. If an object is…

A: The total work done by the object will be the area under the force-distance curve. The area under…

Q: What is the magnitude of force required to stretch a 15 cm long spring, with a spring constant of…

A: initial length (L) = 15 cm final length (L') = 20 cm Spring constant (k) = 100 Nm

Q: An 80 kg skier sliding across a flat smooth ice surface at 20 m/s reaches a flat muddy surface with…

A: Initial speed and the coefficient friction are provided we need to calculate the distance traveled.…

Q: A skier starts at rest at the top of a large hemispherical hill (Fig. P7.63). Neglecting friction,…

A: Given: The skier starts at rest at the top of a large hemispherical hill. We need to show that, the…