If a car traveling at 60 km/h will skid at 20 m when its brakes lock...?
926411
The stop distance is not an arithmetic progression (ie it is not 40m). It is in fact a geometric progression. The stop distance is a lot lot more. Truthfully, I don't know but if you were travelling at 120 kmh and there was a truck 40m (or even 60m) in front of you when the brakes locked; you'd be dead.
853743
(B) At the point of a dip between two hills the force of inertia and gravity would tend to push the car down on the pavement with more force. \n(A) At the top of the hill the opposite forces would tend to make the car lighter. \n\nOf coarse several other factors would come into play like the size, speed and weight of the car, and the severity of the hills. These factors would lessen or increase the amount of force at a given point.
788625
This is a momentum question.  If the end result is comming to a halt, then then each vehicles' momentum was equal and opposite.  Momentun (M) = mass (m) * velocity (v),  therefore you are left needing to solve the equation m1*v1 = m2*v2...you can do the rest I hope....
694162
nothing, the air is probably underneath the fluid and the position change will reverse that allowing the air to escape.
12602
If I understand the question correctly, I think the force you're looking for is inertia. Your body is moving at the speed of the car - then the car stops. Now the car has no speed, but you're still moving forward at that speed until something (hopefully the seat belt) acts to stop you.\n\nIf you're referring to the force provided to stop you - that's the Newtonian counter-force to your inertia moving forward.
886324
Think of it like this, if you have a car on ice, there is no friction. The wheels will spin, but the car won't go anywhere. If you have a car on pavement, the wheels spin and the car moves. This is  because the friction where the wheel is touching the pavement doesn't move. Instead,the wheel to rotates and the next part of the wheel touches the pavement and 'doesn't move'.\n\nHope that makes sense. I was never all that good with physics.
105021
Depends on the rate of deceleration of the vehicle (as well as surface characteristics).  However a rule of thumb they teach in driver's education is one car length for every ten mph of speed.  So at 36 mph/60 kph, that would be about 4 car lengths, or about 20 meters (unless you drive a mini).
553294
The car's wheels have lost all the rubber on the tires, and\nit is riding, literally on its rims(or wheels).  Is this a test?
209695
I'm not sure what you mean, but you can wreck a car at any speed. My car doesn't even go to 100 miles per hour.
850174
You can start out with two equations:\n\nF = k*M*g   :  Where F (Newtons) is the static friction force of the car, k (unitless) is the coefficient of static friction which we will solve for, g (m/s2) is acceleration due to earth's gravity, and M (kg) is the mass of the car.\n\nFc = M*V^2/R  :  Where Fc (Newtons) is the centripetal force due to circular motion, M (kg) is the mass of the car, V (m/s) is the velocity of the car during the turn, and R (m) is the turn radius.\n\nThe car must maintain its grip on the road to meet the conditions of the problem, so we have to set F = Fc and solve for k, which will give the minimum value to maintain traction.\n\nSo, setting them equal and solving for k gives:\n\nk = V^2/(r*g) = 0.83513...\n\nYou should notice that the car's mass cancels out so we never needed it.  To get the answer, remember to convert 95 kph to meters/second and use 9.81 m/s2 for g.\n\nA value larger than k means that the tires have extra grip and could handle a tighter turn.  Any less than k, and the car's centripetal force would overpower the force of friction of the tires, and the car would slide.\n\nI hope this helped.
440139
The skid marks will vary in length based on environmental conditions as well as the size of the car and speed (the momentum of the car) \n-A car on a wet road will slide further than a car a dry road.\n-A geo metro will not have as much momentum as a Hummer doing the same speed. Think of it like this:\nIf you to roll a bowling ball and a baseball at exactly the same speed and stop them both with your hand, which one would take more force to stop? The bowling ball, naturally would. So therefore, it is the momentum and not necissarily the speed that makes the difference. However, momentum is affected by speed so that is taken into account as well.
308512
Same speed as if the car were at rest - but the wavelength of the light will be slightly shorter - shifted towards the blue end of the spectrum.
789941
Cars are NOT built air tight\nyou'll be fine\nremember to make sure the car doors are locked, park in a well lit area ( like a rest stop)\nstay safe!
715799
Just over 1000 miles per hour at the equator.\n\nYou don't feel it because it's constant.  When you're in a car, or an airplane, and you're running steady, you don't feel the speed.  Relative to your position, it doesn't change.  \n\nNow, if someone put the brakes on the rotation, things would go flying (but be held in place by gravity).\n\n\nEDIT:  Amy,  your answer is too spooky to mine!
906572
50 Km is the answer\n\nIf the car moved 50 km north and then 50 south its displacement would be 0\n\nif it go in a direction like sw or ne or nw then you have to use a triangle to solve its displacement
1118371
double_nubbins has the right approach.  I will add a couple of hints: how long will it take the car to fall 19ft (remember the acceleration equation s=.5*g*t^2).  Assuming there is no air drag, the horizontal velocity of the car must be enough to cover the 52m width in that time.\n\nSpeed of the car? The horizontal speed? The falling speed?  The speed in the direction of motion?\n\nHorizontal speed: as calculated above\nFalling speed = g*t, where t is the time calculated above.\nSpeed  in the direction of motion = sqrt(horiz speed ^2 = falling speed ^2)
681130
They will tend to rotate in a circular path. Small tyre in the inner circle and bigger tyre in the outer circle.\n\nThat is the natural motion. But if one makes it move in a straight line, it will make the bigger tyre to skid as well as rotate;the excess path is being nullified by the skidding.