Starting from rest, a 92-kg firefighter slides down a fire pole. The average frictional force exerted on him by the pole has a magnitude of 710 N, and his speed at the bottom of the pole is 3.5 m/s. How far did he slide down the pole?

Q: In the figure, a block of mass m is moving along the horizontal frictionless surface with a speed of…

A: Given: The mass of the object is m. The initial velocity of the object is 5.7 m/s. The angle of the…

Q: In a circus performance, a monkey is strapped to a sled and both are given an initial speed of 5.0…

A: Given Data: The initial speed of a monkey and sled is, u=5.0 m/s The angle of an inclined track is,…

Q: the positive x direction when it is released at x = 4.50 m at speed 7.96 m/s. (d) If the particle…

A: Required Data: Mass, m=0.876 kg P.E. at A, UA=15 J P.E. at B, UB=35 J P.E. at C, UC=45 J Initial…

Q: Assume that the force of a bow on an arrow behaves like the spring force. In aiming the arrow, an…

A:

Q: The skateboarder starts down the left side of the ramp with an initial speed of 6.3 ft/s. If…

A: The height "h" of the highest point (in meters) reached by the skateboarder on the right side of the…

Q: A 690-kg automobile is moving at 24.1 m/s at a height of 3.8 m above the bottom of a hill when it…

A:

Q: The 1.5 kg physics book in figure is connected by a string to a 550 g coffee cup. The book is given…

A: Draw the free-body diagram of the book.

Q: A 2.27-kg particle is subject to a net force that varies with position as shown in the figure. The…

A:

Q: Under the influence of its drive force, a snowmobile is moving at a constant velocity along a…

A: According to Newton's second law -  F=ma Therefore,  a=Fm Given values,  m = 125 kg  F = 190 N a=190…

Q: A 40.0-N crate starting at rest slides down a rough 6.00-m-long ramp, inclined at 30.0° with the…

A: Answer:-  Given  Distance (s) = 6.00 m  Angle (A) = 300  Acceleration due to gravity (g) = 9.8 m/s2…

Q: A 30.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of…

A:

Q: Under the influence of its drive force, a snowmobile is moving at a constant velocity along a…

A: Given : m=150 kg F=204 N u=4.01 m/s

Q: The only force acting on an object of mass 2.00 kg moving along the x-axis is shown in the figure.…

A: The force at t=4 s is 16 N.  Force is given by,  F=ma Calculate the acceleration as,  16=2×a  a=8…

Q: The potential energy associated with the net force acting on a puck of mass 0.50 kg that is moving…

A:

Q: F, (N) 2 1 2 4 6 8 10 12 14 16 x (m)

A: This problem is based on the work-energy theorem.

Q: A 60-kg skier starts from rest from the top of a slope with the slope angle 30°. If the length of…

A: Calculate the total vertical height of the car from the base when the car is at the top. HT =…

Q: A 7.0-kg rock is subject to a variable force given by the equation F(x) = 6.0 N - (2.0 N/m)x + (6.0…

A: Given :- m = 7 kg  u= 0 F(x) = 6.0 N - (2.0 N/m)x + (6.0 N/m2)x2

Q: A roller-coaster car is moving at 20 m/s along a straight horizontal track. What will its speed be…

A:

Q: A 84 kg janitor wearing running shoes is running across an ice rink at a speed of 6.3 m/s. They try…

A:

Q: A car is traveling at 40 m/s when the driver slams on the brakes and brings it to a straight-line…

A: Given that,u=40 msv=0t=4.2 sa=?

Q: A ball has a speed of 15 m/s. Only one external force acts on the ball. After this force acts, the…

A: Initial speed (u) = 15 msFinal speed (v) = 7 msLet the mass of ball = m

Q: A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the…

A:

Q: A block slides along a track from one level to a higher level, by moving through an intermediate…

A:

Q: At what speed does the crate reach the bottom of the inclined plane?

A: Analyze the following diagram. The plane’s height can be represented as, Substitute the relevant…

Q: A 5.0 kg bundle starts up a 37° incline with 145 J of kinetic energy. How far will it slide up the…

A:

Q: A 3 kg block pushes a spring of negligible mass and force constant k = 400 N / m to compress 0.22 m.…

A:

Q: a block is released from rest at height d = 40 cm and slides down a frictionless ramp and onto a…

A: Initially, the block is at rest, its kinetic energy is zero, it has only its potential energy. When…

Q: A 91 kg janitor wearing running shoes is running across an ice rink at a speed of 3.2 m/s. They try…

A:

Q: A 6.89-kg particle is subject to a net force that varies with position as shown in the figure. The…

A:

Q: 53. Starting from rest, a 93-kg firefighter slides down a fire pole. The average frictional force…

A:

Q: A block of mass m = 2kg slides across a flat surface with friction present. If the block starts with…

A:

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

A:

Q: During the Powerhouse lab, Jerome runs up the stairs, elevating his 102 kg body a vertical distance…

A: The mass, m=102 kg   The vertical distance, h=2.29 m   The time duration, t=1.32 s

Q: Along a straight horizontal track, a roller-coaster car is moving at 25 m/s. As shown in the figure…

A:

Q: Chapter 5,#6. A man pushing a crate of mass  m = 92.0 kg  at a speed of  v = 0.870 m/s…

A: SOlution: m = 92.0 kg  at a speed of  v = 0.870 m/s  encounters a rough horizontal surface of length…

Q: A rock slides up a very slippery ramp which is tilted at an angle 0 above horizontal. It has speed…

A: The rock will stop when final velocity becomes 0 at max distance from bottom. Having this concept we…

Q: Using a simple pulley and rope system, a crewman on an Arctic expedition is trying to lower a crate…

A:

Q: An Atwood's machine consists of two different masses, both hanging vertically and connected by an…

A: Given:  The relation between the mass of two blocks is, M2=2M1. Let's consider the speed of the…

Q: A 3.00 kg box slides UP a smooth (frictionless) 39-degree hill with an initial speed of 16.0 m/s. To…

A: Given data  Mass of the box, m=3 kg Angle, θ=390 Initial speed, u=16 m/s

Q: In a circus performance, a monkey is strapped to a sled and both are given an initial speed of 5.14…

A:

Q: A man pushing a crate of mass  m = 92.0 kg  at a speed of  v = 0.870 m/s  encounters a rough…

A: (a)  Write the expression for net force on the crate .

Q: Along a straight horizontal track, a roller-coaster car is moving at 25 m/s. As shown in the figure…

A:

Q: A 6 kg block, initially moving 4 m/s, slides 2.5 m down a ramp that is inclined 20 degrees above…

A: Given data: Mass of block is, m=6 kg. Initial speed of block is, u=4 m/s. Distance covered during…

Q: The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 5.4…

A: On neglecting all conservative force there will be no loss of energy therefore   velocity of…

Q: A force in the +x+x-direction with magnitude F(x)=18.0N−(0.530N/m)xF(x)=18.0N−(0.530N/m)x is applied…

A: Given: Mass of the box (m) = 7.10 Kg            Force applied on the box F = 18.0N - (0.530N/m)x…

Q: A ball of mass m is released from the top of a frictionless inclined plane AB with an initial…

A: Given data: The initial speed of ball is vi=2 m/s. The initial height is hi=5 m. The final height…

Q: The graph shows how the force on a 1.00kg particle varies with position. If the particle has a speed…

A: Given: Mass of the particle is 1.00 kg. At x=10.00 m ; speed of the particle is 8.00 m/s. Formula…