A 1000-kg car traveling at 70 m/s takes 3 m to stop under full braking. The same car under similar road conditions, traveling at 210 m/s, takes ______________ m to stop under full braking.

Q: The total force on an object is ( 20 ı ^ + 40 ȷ ^ ) Newtons.  Its acceleration is ( 4 ı ^ + 8 ȷ ^ )…

A: The magnitude of the total force is: The magnitude of the acceleration of the object is:

Q: A block slides along a track from one level to a higher level after passing through an intermediate…

A: Given  vo=6.9m/s h=1.1m g=9.8m/s2 μk=0.60 d=?

Q: A skater is trying to perform a jump. her vertical take-off speed is 1.7 m/s. How high is her jump?…

A: given -              vertical take off speed ( u ) = 1.7 m/s = initial speed…

Q: You place a crate of mass 36.2 kg on a frictionless 3.53-meter-long incline. You release the crate…

A:

Q: A physics student, in a stationary elevator, places a 210.0 g mass on an electronic balance. The…

A: Given, mass of object = 210 g  Time = 0 to 3.0 sec the balance reads 274 grams  Time = 3.0 - 12 sec…

Q: A car of mass 250 kg, is accelerated from rest by a net force of 400 N for 20 s.  After this, the…

A: Given: Mass (m) = 250 Kg  time (t1 ) = 20 s  Force (F1) = 400 N  Force (F2) = 100 N

Q: A car accident occurs when a car slides into another car at the base of a hill.  Car A was…

A:

Q: Ą block of mass m is moving along a straight line in the a function of time given by: v,(t) = c,t +…

A:

Q: A stone is thrown straight upward with a speed of 25 m/s. It is caught on its way down at a point 5…

A: The vertical displacement of stone is   y=y_0+v_0t-(1/2)gt^2  5=25t-(1/2)(9.80)t^2 5=25t-4.90t^2 On…

Q: You are in charge of improving the safety of a carnival ride. The ride involves a 165 kg cart…

A:

Q: In a performance test, each of two cars takes 8.4 s to accelerate from rest to 28 m/s. Car A has a…

A: Given Mass of car A is MA=1415 kg Mass if car B is MB=1856 kg Initial velocity of both car vi =0 m/s…

Q: I forgot my car in a no - parking zone.  A tow truck pulled it away. The truck exerted a force of…

A: Given data: The force exerted by the truck on the car is F=4000 N The friction force is Ff=600 N…

Q: A runaway train with a mass of 500kg is stopped by batman. If it runway train starts with an initial…

A:

Q: A spring is fixed to a board so that its hanging from it vertically. A 10 kg mass is attached to the…

A: Let spring constant be "K".   On earth, mge=Kxe         .....(1)   on moon, mgm=Kxm        ......(2)…

Q: A 1 kg ball and a 2 kg ball, both the same dimensions, are dropped at the same time from a height of…

A: Acceleration due to gravity is independent from the mass of object so for Both object if we apply…

Q: Problem 9: A car has a mass of 1010 kg and is moving in a straight line at a speed of 56.1 km/h.

A:

Q: A block of mass 22 kg moves up a 32 degree inclined plane by being pulled by a string attached to a…

A:

Q: 2. Refer to figure 1 of an object's velocity vs. time plot. Calculate your best estimation of the…

A: GivenHere the velocity profile of the object is given in question.Provided the mass of the object is…

Q: A car is towing a boat on a trailer. The driver starts from rest and accelerates to a velocity of…

A: To solve the problem we will calculate the acceleration first and then using Newton's 2nd law of…

Q: A block of mass 22 kg moves up a 32 degree inclined plane by being pulled by a string attached to a…

A:

Q: Three blocks (as shown in the figure) are released from rest and they start to accelerate with a…

A: Step 1: here we have derived the equation of motion of the masses Step 2: here we have calculated…

Q: A runaway train car that has a mass of 1.68e+4 kg travels at a speed of 7.60 m/s down a track.…

A:

Q: A 100 car train is pulled by a 200T locomotive. Assume that the cars are all identical and weigh…

A: As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other…

Q: Answer both please

A:

Q: A frictionless plane is 10.0 m long and inclined at 32.0°. A sled starts at the bottom with an…

A: Length of the plane, Inclination of the plane, Initial speed of the sled at the bottom,

Q: A van exerts a force on trailers of different masses m. Compared with the force exerted on each…

A: 31.now as per the 3rd law force exerted by trailer on van will be equal to that exertedby van on…

Q: Julio wanted to test the effect that different heights have on the speed of a car rolling down a…

A: .

Q: An automobile of weight 4500 lb moving at 65 mi/h is braked suddenly with a constant braking force…

A:

Q: A hot-air balloon of mass 210 kg is descending vertically with downward acceleration of magnitude…

A:

Q: the normal force that you experience

A: Given: Initially elevator is at rest. Velocity of elevator in downward direction is vt=-2t2 j^ m/s…

Q: A lump of clay of mass 0.21 kg is dropped from a height of 5.5 m. The clay comes to a full stop…

A: mass of clay is m = 0.21 Kg height from which clay was dropped is h = 5.5 m time taken by the clay…

Q: Aircraft carriers use catapults to launch jets from their deck. One such catapult accelerates a…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: