1.3 km 0 14° Drawing not to scale An 80.0 kg snowboarder descends a 1.3 km ski hill from the top of a mountain to the base as shown in figure above. The slope is at an angle of 14° to the horizontal Determine the snowboarder's speed when she reaches the bottom of hill. Neglect

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A: Consider the free body diagram for crate as follows: Write the balanced force equation for vertical…

Q: A lamp is hung using a cord. The mass of the lamp is 80-grams. Neglecting the weight of the cord,…

A: Given: Mass of the lamp = 80 grams = 0.080 kg

Q: If a horizontal force is applied to an object, how can you tell if an object will start moving?…

A: If a horizontal force is applied to an object which is at rest.

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A: Draw the free body diagram of the system and balance the forces to calculate the magnitude of the…

Q: A 200 kg car at 1.52m /s2 and pulls a mass of 40kg, using a rope that passes through a pulley. What…

A: Given data:  Mass of car(M) = 200 kg Acceleration (a) = 1.52 m/s2 Car Pulls a Mass (m) = 40 kg…

Q: Question 3 The kinetic friction force is always less than static friction force True False

A: TRUE Kinetic friction is always less than static friction.

Q: List Ten Examples of Friction in Our Daily Life

A: We see friction in our day to day activities. Following are the ten examples of friction in daily…

Q: say a cars average speed is 15.2 km, how many meters can these cars go in 5.50s, 6.70s, and 6.78s

A: Given Car speed = 15.2 km/h We have to calculate distance moved by the car in 5.50s, 6.70s, and…

Q: 13. Which of the following criteria will not affect a frictional force between two contacting…

A: For the friction  force  Here, The normal force is affected  Also area of the  surface is also…

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A: Given: Angle =42 degrees Coefficient of kinetic friction =0.044 Mass m=85 kg Area A =1.4 m2 Drag…

Q: Suppose a 10 N force is applied to the side of a 4 Kg block that is sitting on a table. The block…

A: Data given ,  Force applied on the side ( f ) = 10 N Mass of the block ( m ) = 4 kg

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A: The relation between acceleration and mass:

Q: 4. If you pound a feather with a hammer, which one feels a greater force? O always the feather O…

A:

Q: 1. What is the magnitude of the net force produced by a 3 N force and a 4 N force when the forces…

A: F1 = -3 N F2 = 4 N Fnet = ?

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A: A) No ,the value of acceleration is not 4/3 g because acceleration is not constant but it's depend…

Q: The coefficient of kinetic friction: Select one: O a. is in the direction of the frictional force O…

A: The coefficient of kinetic friction comes into play when an object is moving on a rough surface.

Q: 1. If the hanging mass was much heavier than the mass of the glider, approximately what value do you…

A: The mass of the glider is denoted by mG. The mass of the hanger is denoted by mh. Assume the tension…

Q: A 3-kg ball on a string is connected to a hook in a wall. The ball is dropped from its initial…

A: Mass of ball: m = 3 kg Initial speed of ball: u = 0 m/s Initial angle of ball: θi = 80o  Final angle…

Q: A body of mass 4kg is connected to a body of mass 7kg with inextensible string pass over a pulley…

A: Given quantities: first mass (m) = 4 kg second mass (M) = 7 kg tension on the first mass (T) = 50 N…

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A:

Q: How much tension must a rope withstand if it is used to accelerate a 1910-kg car horizontally along…

A: Given: The mass of the car is 1910 kg. The acceleration of the car is 1.4 m/s2.

Q: 3. Which of the following statements is TRUE about the coefficient of friction? A. The coefficient…

A: When there is no relative motion between surfaces then static friction is exerted between them but…

Q: force that keeps you from sliding on an icy sidewalk is    a. weight.   b. kinetic friction.   c.…

A: Given  Force that keeps you from sliding on an icy sidewalk is .....

Q: The figure below shows two 50 N weights connected to opposite sides of a scale by ropes passed over…

A: Solution: Given that W1 = 50 N W2 = 50 N

Q: Common Forces A leg is suspended in a traction system, as shown below (a) Which pulley in the figure…

A: We have to determine the tension in the rope.

Q: w w w w w w TTTTTT 16 15 Study the diagram below. Two objects are attracted to each other by…

A: Answer:-  Answer (15) :-(B)  equal to The force of object 1 pulling on object 2 equal the force of…

Q: A 3-kg rock is suspended by a massless string from one end of a 1-m measuring stick. What is the…

A: Mass of object is Length of stick is Support force is acting at position Note:Gravitational…

Q: A 525 N block is on a rough, horizontal surface with an applied horizontal force as shown in Figure…

A:

Q: a 10 m board with a weight hangs by two ropes as shown below. if the board has a mass of 20 kg, what…

A: the two tensions acting towards upward direction , the weight of the board and the suspended weight…

Q: need to find the tension in between the two masses

A: Using Newtons laws of motion

Q: A box of weight 100 N is at rest on a floor where us = 0.4. A rope is attached to the box and pulled…

A:

Q: a cable pulls a create at a constant speed across a horizontal surface ( theres friction ) draw the…

A: Free body diagram is a pictorial representation of an applied force. It gives us the information…

Q: 3. Push the skateboard and the box with a force of 500N. Observe and describe the behavior of the…

A: One  has to push hard to get the skateboard started, but once it begins moving, it takes much less…

Q: What kind of friction is affected by the object's shape and size? Resistance from the air, the…

A: The force preventing a rolling body from moving along a surface is known as rolling friction or…

Q: The direction of the frictional force is а. same direction of the intended motion b. perpendicular…

A:

Q: 4 SON 40 E 150N IDON TOIOON For the forces, determine a) the x and y-compomate 6) R

A: Have a look dear

Q: The magnitude of friction coefficient depends on O the materials that the objects are made of The…

A: In this question we have to answer that the magnitude of friction coefficient depends on what.

Q: Explain the laws of kinetic friction.

A: A frictional force acts between two moving surfaces in the opposite direction of its movement is the…

Q: The direction of the frictional force is O a. same direction of the intended motion O b.…

A: Let a body have a mass = m  Let the initial velocity of mass = v ( along east)  Let the magnitude of…

Q: Figura 101 C A B 40

A: let the mass of the suspended body = m Let the tension in the string connected to the suspended body…

Q: Compared to the force that the sun exerts on the earth, the force exerted by the earth on the sun…

A: The gravitational force between between two planets is given by F = Gm1m2/r2  Here, G = universal…

Q: The kinetic friction is applied when the body is Select one: O a. Just stopped O b. Moving O c. Just…

A: Required :  When is the kinetic friction applied.