Question

A 1800 kg car traveling at a speed of 13 m/s skids to a halt on wet concrete where μk = 0.30.

How long are the skid marks?

1 Rating

Tagged in

Science

Physics

Find answers to questions asked by students like you.

Q: What would be the acceleration of gravity (in m/s2) at the surface of a world with three times Earth...

A: Here, the gravitational constant is given by G and R is the radius of earth and Me is the mass of th...

Q: A football punter accelerates a football from rest to a speed of 14 m/s during the time in which his...

A: The mass of the ball is 0.44kg, initial speed of the ball is zero since it is at rest, and final spe...

Q: A bicycle wheel has a radius r = 0.28 m and rotates at a constant frequency of f = 89 rev/min. Calcu...

A: The period of rotation of the wheel is

Q: i need help with these two questions!

A: a)The required speed is,

Q: Question 22 23

A: From the geometry, the height from which the ball is released is

Q: A train locomotive pulls a train with a mass of 1.40 ✕ 107 kg on level rails. The locomotive exerts ...

A: Given,

Q: A mass hanging from a vertical spring is somewhat more complicated than a mass attached to a horizon...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: A 8.1 kg object undergoes an acceleration of 1.8 m/s2. (a) What is the magnitude of the resultant fo...

A: Given,

Q: Calculate the value of two equal charges if they repel one another with a forceof 0.1N when situated...

A: According to Coulomb’s Law,

Q: Find the approximate solid angle for a source-detector arrangement whereby a 5-cm diameterdetector i...

A: Given,

Q: our forces act on an object, given by A = 48.3 N east,B = 42.3 N north,C = 64.7 N west, and D = 84.7...

A: Given,

Q: My question is why did we used sine and cosine 45 degree? Is not is supposed to be 315 degree since ...

A: It is given that the force along the y-axis is

Q: What is the magnetic field amplitude of an electromagnetic wave whose electric field amplitude is 12...

A: Given:

Q: A sort of "projectile launcher" is shown in (Figure 1). A large current moves in a closed loop compo...

A: Given that,The length of the bar L = 30 cm= (30 cm)(10^-2 m/cm)= 0.30 mThe mass of the bar m = 1.5 g...

Q: I need the answer to question 7

A: Let v be the velocity of the projectile kicked by the child, theta be the angle made by velocity wit...

Q: Problem-2 A spring is hanging from the ceiling at its equilibrium. A mass of 275g is added to the sp...

A: (a) For a simple harmonic motion,

Q: . What is the gravitational force of attraction between two electrons held onemeter apart in a vacuu...

A: The magnitude of the gravitational force between two bodies of masses m1 and m2 at a distance r apar...

Q: Two balls, each with a mass of 0.855 kg,exert a gravitational force of 8.89 × 10−11 Non each other.H...

A: The expression from gravitational force,

Q: A block of mass 4.20 kg is pushed up against a wall by a force P that makes an angle of θ = 50.0° an...

A: (a)The minimum force exerted on the block to avoid slide and the friction force will acts upwards.Su...

Q: nent FULL SCREEN PRINTER VERSION K BACK NEXT Your answer is partially correct. Try again. The figure...

A: Given information:Radius of the circular loop (r) = 4.40 cm = 0.044 mInitial magnetic field strength...

Q: = 4.10 kg, rests on a frictionless horizontal table and is connected to a cable that passes over a p...

A: Given:Mass of the first block, m1 = 4.10 kgMass of the second block, m2 = 10.4 kg

Q: Cheetahs have a top speed of 120km/h and can accelerate at a constant rate at 9.5m/s2. How long woul...

A: Given:

Q: a) Outline the 2 ideas Planck put forward to explain the black body radiation.b) Explain the concept...

A: (a) the wave theory of light explains the interference and diffraction relating to the propagation o...

Q: A bullet of mass m1 = 10.00 g that has a velocity of v1 in the horizontal direction hits and gets fu...

A: Consider the momentum conservation.

Q: A 10.0 kg block initially at rest is pulled to the right along a horizontal, frictionlesssurface by ...

A: Click to see the answer

Q: A solid sphere is roling on a surface. What fraction of its total kinetic energy is in the form of r...

A: Click to see the answer

Q: you are driving down the road and are speeding. You apply the brakes on your car until you slow down...

A: Impulse is given by,

Q: The simple mass on a spring is the basis for our description of almost any oscillation. Lets consid...

A: The expression for spring constant for N2 is,

Q: I have written down a y(x,t) for the given values, but I think that I am not supposed to solve for t...

A: dfsgdfgdfg

Q: Outline Einstein's explanation of the following aspects of the photoelectric effect: a) Work Functio...

A: Photoelectric Effect: When a light falls on a metal surface then the electron or other charge carrie...

Q: After falling from rest from a height of 35 m, a 0.30-kg ball rebounds upward, reaching a height of ...

A: Given:

Q: i need help with these two questions!

A: Hey, since there are multiple questions posted, we will answer first question. If you want any speci...

Q: A ball is dropped in a vacuum (no air resistance). As it falls it loses 7 J of potential energy. How...

A: Since there is no air resistance, mechanical energy is conserved.

Q: Draw normal lines at the boundary, identify the incident, transmitted, and reflected beams.Clearly l...

A: Boundary behaviour of light in edge of round container:

Q: Heat is defined as energy that is moving from one place to another as a consequence of a temperature...

A: The internal energy may be increased by transferring energy to the object from a higher temperature ...

Q: If a spring is stretched 0.98 cm by a suspended object having a mass of 0.20 kg, whatis the force co...

A: Click to see the answer

Q: A rock is thrown at some angle above the horizontal with a certain velocity. It reaches its highest ...

A: During the projectile motion, at the highest point, vertical component of velocity equals zero. Hori...

Q: A tank has the shape of an inverted circular cone with a height of 10 ft and a base radius of 4 feet...

A: Draw the systematic diagram of the inverted cone. Draw an imaginary ring with thickness delta h, and...

Q: What capacitance, in μF, has its potential difference increasing at 9.0×105 V/s when the displacemen...

A: Given,

Q: T Sinoo ome os//openvellum.ecollege.com/course.html?courseld=155442638HepID=c5fa803dae2fe486ce2b2d26...

A: Let vu be the velocity of the ice cube at upper surface of the pipe, vb be the velocity of ice cube ...

Q: 5.80 m along a frictionless horizontal table by a constant applied force of magnitude F = 16.0 N dir...

A: a)Work done by the applied force is,

Q: 29. A resultant force of 10. newtons is made up of two component forces acting at right angles to ea...

A: Resultant force is given by,

Q: 5. A car with 0.260-meter radius tires travels 80,000 km before wearing them out. How many revolutio...

A: If the tires make N number of revolution, we have,

Q: You drop your phone while visiting the Grand Canyon. If it took 18.7s before it hit the ground, how ...

A: Given:Final velocity of the phone = 0Acceleration of the phone = g = 9.8 m/s2Time taken by phone to ...

Q: Could you kindly solve and explain this to me? Thank you, Faizan Alam

A: Click to see the answer

Q: Puffy cumulus clouds, which are made of water droplets, occur at lower altitudes in the atmosphere. ...

A: Given,For altitude less than 11 Km temperature is given as,

Q: A parallel plate capacitor with a plate area A= 1 cm2, separated by distance d-5 cm is connected to ...

A: Click to see the answer

Q: N4T.1 Aweight hangs from a string but is pulled to one side by a horizontal string, as shown. The te...

A: Write the expression for net force acting on the weight in the vertical direction

Q: Part D

A: Write the expression for net force in the vertical direction and equate with the Newton’s second law...

Q: 17. Four forces act on a point as shown. N 5N 5N W 5N E 5N The resultant of the four forces is (1) 0...

A: Net force on the point is,