Question 3. A force F pulls a box of mass m at an angle of 6 above the horizontal. The coefficient of friction between the box and the ground is u. (a) If the force pulls the box for distance d, what is the final speed of the box assuming the box starts from rest? (b) Now assume the box starts with an initial speed vo. What is the final speed?

Q: A 300 lb car travelling with a speed of 30 mph, strikes an obstruction and is brought to rest in…

A: Given:Car weight 300 lbCar speed is 30 mphCar came to rest in 0.10 secTo Find:Average force on car ?

Q: An applied force of 87.4 N is used to accelerate an object to the right across a frictional surface.…

A: Given: W=43.5 N f=19 N

Q: A person exerts a force of +250 N on a large crate, but the crate does not move. What would the…

A: Force:- An external force is an agent that has the power to alter the resting or moving condition…

Q: A box weighing 35 N is pulled horizontally until it slides uniformly over a level floor. If the…

A:

Q: D- S = L 2L

A: Write the given values of this problem. S=LD-d2L

Q: A force of 1060 N is needed to bring a car moving at 20.1 m/s to a halt in 18.7 s. What is the…

A: force = 1060 N u = 20.1 m/st = 18.7 s

Q: Two force sensors are connected together. One sensor is attached to a wall and the second sensor is…

A:

Q: Newtons to kg K= 587 9.81mls

A: Given data The value in newton is given as W = 587 N.   let the mass of the body in kg be 'm' so,…

Q: Starting from one oasis, a camel walks 25 km in a direction 30° south of west and then walks 30 km…

A:

Q: A bus traveled 60 km north from its terminal. From this point, it traveled 80 km east. How far is…

A: Given: The bus initially travelled 60 km north. The bus travelled 80 km east.

Q: A runaway train car that has a mass of 1.53e+4 kg travels at a speed of 6.32 m/s down a track.…

A: Given data The car's mass is m = 1.53 x 104 kg The speed of the car travelling is u = 6.32 m/s The…

Q: E= 8.5x10 N/C 3. A= 2.3x10 m2 e= 45° DE=

A:

Q: Juan moves an object that has 245g by applying a force of 1.8N.  What is the coefficient of…

A: Given that: Force on object = 1.8 N Weight of object of mass = 245 g = 0.245g here, gravity, g = 9.8…

Q: A crate with a mass of 30 kg rests on a floor. On top of the crate stands a 45-kg girl. What is the…

A:

Q: What is the force in Newton's acting on a 7.0 kg package of nails that falls off a roof and is on…

A: Answer:- Given  Mass of package of nails (m) = 7.0 kg  Acceleration due to gravity (g) = 9.8 m/s2…

Q: A force of 125 N has a rectangular component of 65 N acting along a line making an angle of 20 deg…

A: Magnitude of force = 125 N One of the rectangular component of force = 65 N alonga line making an…

Q: If you hold the picket fence at an angle instead of vertically, which of the following will likely…

A: If you tilt the picket fence at an angle rather than keeping it vertical, the likely outcome is as…

Q: The force that influence on the freely falling objects is called . Normal force O Mass Gravity

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Two blocks are side by side. The larger is 12kg (on the left), while the smaller is 5kg (on the…

A: Since the two blocks are placed side by side, they will experience the same acceleration when the…

Q: A car travels North with a speed of 30 kph and then turns to west at a speed of 15kph. What is the…

A: Given that:- Initial velocity of car=30kph along North

Q: Question 3 and 4

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Q: force is needed to push

A:

Q: A skier with a mass of 80 kg skied down a mountain run with an elevation change of 4.25 m, what was…

A: The given values are, m=80 kg∆h=4.25 mv=?

Q: The coefficient of kinetic friction is in the direction of the frictional force O is in the…

A:

Q: What is the mass of the object . When the weight of the object is 1200 N ?

A: Given  Weight of the object is 1200 N  Mass of object is ,M =?

Q: The magnitude of the component force F is * 250 Ib -450~ 30

A: Solution

Q: Find the mass in kilograms of the following objects. A coral colony of 3200 individuals each…

A: Given : Number of individuals = 3200  Mass of each individual = 0.45 g = 0.45 × 10-3 kg

Q: A 6.09 kg box is pulled to the right with a force of 68.0 N. If the force of friction is 37.6 N,…

A:

Q: A car of mass 1371 kg accelerates from rest to 16.9 m/s in 5.17 s. How much force was required to do…

A: Given:- m=1371 Kg t= 5.17 s u= initial velocity= 0 m/s v= final velocity= 16.9 m/s Lets find the…

Q: A metric bathroom scale measures weight, but is calibrated to indicate the equivalent mass of weight…

A: We know thatBathroom scale measures weight.W=m×gHereW=mass of objectm=mass of objectg=gravity…

Q: From a starting point, you started walking 3 kms west then 4kms north. What is your distance…

A: Answer:-  Given    Distance (S1) = 3 kms Distance (S2) = 4 kms  Total distance travelled(S) = ?  We…

Q: A 20-ton truck collides with a 1500-lb car and causes a lot of damage to the car. The car has more…

A: In the given question  Mass of the truck (M) = 20ton Mass of the car (m)  = 1500lb Both the vehicle…

Q: Two students pulls an object in the same direction south. They exert an effort of 25N and 35N.…

A:

Q: Yao Ming is 229 cm tall. What would you expect his foot lenght to be?

A: Answer:-  Given  Length (L) = 229 cm  L = 229/100 = 2.29 m  We know that  (1 m = 3.281 foot)…

Q: From the point of view of physics, is there a basis to the law banning the use of cell phone while…

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Q: 3. Refer back to Figure 8.1. For which types of electromagnetic radiation is the atmosphere of the…

A: Required : For which type of electromagnetic radiation, is the atmosphere of the Earth completely…

Q: A 5.4 kg ball with a diameter of 11 cm is dropped form an airplane at an altitude of 9 km above the…

A: Given: Mass of ball m = 5.4 kg Diameter of ball d = 11 cm = 0.11 m Altitude from where the ball is…

Q: An elevator motor lifts a 2650-kg load a height of 39 m in 12 s.

A: Energy gained by a body as it climbs a certain height or energy needed to move a body up a cetrain…

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Q: A 1500-kg car has a velocity of 25.0 m/s. If it is brought to a stop in 15.0s, what was the…

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Q: A car drives 100km East and then 80.0 km North. What is the displacement of the car?

A:

Q: A truck pulls a trailer with a frictional force of 870 N and a coefficient of friction of 0.23. What…

A: Finding the normal force of the trailer that is being pulled by an 870 N frictional force with a…

Q: you place a 5.000 g weight on the scale and the balance reads that the weight is 5.983 g. what is…

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Q: A girl weighing 45kg is standing on the floor, exerting a downward force of 200N on the floor. The…

A: Mass of the girl (m)=45kg Force exerted (F) =200 N (In down ward direction)

Q: force of 100 N has a vertical component of 80 N. The horizontal component of the given force…

A: Given Force F = 100 N Vertical component = 80 N