b.) What is the friction factor f? How is f related to wall shear stress? c.) What assumptions need to be satisfied to apply the Darcy Weisbach equation?

Q: force

A: Given: Mass is m=20 kg Acceleration is a=30 m/s2 Note: 1 N=1 kg·m/s2 Find: Force required to…

Q: What force is required to give a mass of 10 kg an acceleration of 50 m/s2

A:

Q: 46. Neglecting air resistance and taking g as 10 m s², the height fallen by a fruit from rest to a…

A: Recall Vf2=Vi2+2ghWhere h is required heightVf=10m/s Vi=0

Q: Why is overall stopping distance for cars less than lorries

A: Stopping distance depends on , frictional force acting on the tire by the ground. Normally it does…

Q: An object of mass 200 g moving at a constant speed of 2 m/s has a net force closest to

A:

Q: If the net force on a 10 kg object is 40 N, what can we say about this object? The object will be…

A: Given data:  Mass (m) = 10 kg Net Force (Fnet) = 40 N Required:  Acceleration (a)

Q: How much force is needed to accelerate a 50 kg skier at 3 m/sec?

A: Write the given values with suitable variables. m=50 kga=3 m/s2 Here, m denotes the mass and a…

Q: if mr.berkley is able to slow down his car from 21 m/s to 8m/s while covering 25 meters, what was…

A: Let the mass of the car be m. Apply the third kinematic equation.

Q: The net force on a 10 kg object is 40 N.  If it is initially moving at 18 m/s, how long will it take…

A:

Q: What force would be needed to produce an acceleration of 2 m/s² in a ball of mass 4 kg ?

A: Acceleration (a) = 2m/s2 mass (m) = 4 kg Force required (f) = ?

Q: What constant force is required to accelerate a 1000 kg car from rest to 40 m/s over a distance of…

A:

Q: If a baseball (m=.450 kg) is hit with a force of 1700 N, what is the baseball's acceleration  in…

A: Write the expression for Newton’s second law

Q: 3,150-kg truck accelerates from 4.2 m/s to 7.8 m/s in 14 s. Which describes the average force needed…

A: here,v2=7.8msv1=4.2 mst=14 smass,m=3150 kg

Q: If a 25 kg bike is pushed from rest with a force of 15 N moving at 12 m/s, how far did it travel?

A:

Q: The values below in boxes should be written in scientific notation: 8002 x 107 -10 1000 5 J.…

A: (i) 8002×10-10 m ⇒8002×10-10 m=8.002×103×10-10 m=8.002×10-7 m

Q: How large a net force is required to accelerate a 1,703-kg SUV from rest to a speed of 12.9 m/s in a…

A: Net Force required....Fnet= 624.149 Newtons

Q: How much (in Newtons) does a 57.6 kg person weigh?

A: Given Data: The mass of the person is, m = 57.6 kg. The weight of a person is dependent on the…

Q: The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2 is

A: Given Data : The mass of the body is given as m = 100 Kg. The acceleration of the body is given as…

Q: would

A: The kinematics equation can be used to find the unknown parameters such as final velocity, distance…

Q: If a baseball (m=.450 kg) is hit with a force of 1700 N, what is the baseball's acceleration  in…

A: Given: mass of baseball, m = 0.450 kg Force with which it is hit, F = 1700 N

Q: When a cannon fires a cannonball, the ball goes forward and the cannon itself moves backward. Why…

A:

Q: What force would be needed to produce an acceleration of 4m/s² in a ball of mass 6 kq ?

A: Given data : Mass is represented by m Acceleration is represented by a   Required : Force

Q: If the applied force on an object is 30 N and accelerates it at 3 m/s2, what is the mass of the…

A: According to newton's second law force on the object is equal to multiplication of mass and…

Q: What force would be needed to produce a ball of mass 12 kg ? an acceleration of 6 m/s² in

A: Given data as per question mass =  12kg acceleration = 6m/s2

Q: A book is sitting on a table with out moving. Fans nom Fo

A:

Q: Which of the following is the velocity of the object at a certain given time     spontaneous…

A: Instantaneous velocity of an object is  velocity of the object at a certain given time.

Q: If it takes a human cannonball 1.8 s to exit a 1.9 m long cannon and the average net force acting on…

A: Given data -Net Force acting on the human is ( F ) = 159 N distance covered by the human canonball (…

Q: the choices was  80% 70% 60% 50%

A:

Q: A 641-kg roller coaster car descends a 25-m-high hill with an initial velocity of 7 m/s. It then…

A: Since there is no loss of energy.Total energy at the top of the first hill=Total energy at the top…

Q: A car begins from rest and reaches a speed of 20 m/s in 5 seconds. The acceleration of the car is…

A: Given data:  Initial velocity (u) = 0 m/s Final velocity (v) = 20 m/s Time (t) = 5 s Required:…

Q: It has been found that a 1500 kg car can stop in 32 m from a speed of 20 m/s. How much force do the…

A: The car's motion is, m=1500 kg The initial speed of the car is, u=20 m/s The distance traveled by…

Q: What force is required to accelerate an object having a mass of 6 kg at 9 m/s?

A: Introduction :  In this question we are provided it value of mass and acceleration . With these data…

Q: If you shoot a 10 kg cannonball straight it reaches a height of 600 meters, what was the velocity of…

A:

Q: How much does a 0.25kg apple have with an acceleration of 9.8m/s

A: Given data:  Mass (m) = 0.25 kg Acceleration (a) = 9.8 m/s2 Required: Force (F)

Q: What problems are there with the statement “A force is a push that acts through a touch”?

A: Given statement “A force is a push that acts through a touch”

Q: What force would be needed to produce an acceleration of 4m/s2 in a ball of mass 6 kg ?

A: Given data: Acceleration of the ball, a=4 m/s2 Mass of the ball, m=6 kg Our question is to find…

Q: What force would be needed to produce an acceleration of 4m/s2 in a ball of mass 6 kq ?

A: