Questions LLC
Login
or
Sign Up
Ask a New Question
Physics
Mechanics
Work and Energy
How much work must be done to stop a 1070 kg car traveling at 111 km/h?
1 answer
Vo = 111km/h = 111000m/3600s. = 30.8m/s
W = KE = 0.5M*Vo^2 =
You can
ask a new question
or
answer this question
.
Similar Questions
How much work must be done to stop a 1040 kg car traveling at 111 km/h?
Top answer:
Convert 111 km/h to m/s and then compute the kinetic energy, (1/2)MV^2. It will be in Joules. That
Read more.
The stooping distance d of a car after the brakes are appied varies directly as the square root of the speed r. If a car
Top answer:
d = kr^2 90 = 1600k k = 9/160 d(60) = 9/160 * 3600 = 202.5
Read more.
The stopping distance d of a car after the brakes are applied directly as the square of the speed r. If a car traveling 80mph
Top answer:
d = (90/80)^2 * 360ft = 456 Ft.
Read more.
The stopping distance d of a car after the brakes have been applied varies directly as the square of the speed r. if the car
Top answer:
Stopping distance = C r^2 270 = C*70^2 C = 270/70^2 At 50 mph, stopping distance = 50^2*270/(70^2) =
Read more.
The distance needed to stop a car (d) varies directly with the aquare of the speed of the car (s). If a car traveling 25 mph
Top answer:
d = k v^2 when v=25, d= 0 ???? you see to have a typo . suppose you meant to type d=50 then 50 =
Read more.
Calculate the force needed to bring a 1070–kg car to rest from a speed of 89.0 km/h in a distance of 110 m (a fairly typical
Top answer:
Vo = 89 km/h = 89,000m/3600s = 24.72 m/s. A. V^2 = Vo^2 + 2a*d. 0 = 24.72^2 + 220a. a = -2.78 m/s^2.
Read more.
The stopping distance d of a car after tehe brakes are applied varies directly as the square of the speed r. If a car traveling
Top answer:
r=140 (70/50)^2= 140*49/25=274 ft
Read more.
a 2250 kg car is traveling at 20 m/s to the west. the force required to stop the car at 7890 N to the east. How long will it
Top answer:
32
Read more.
What is the kinetic energy of a 1850 kg car that is traveling at 58.0 km/h? B. How much work was done to give the car this
Top answer:
change km/hr to m/s KE=1/2 m v^2 it took that much work to give it that much KE Same amount
Read more.
The stopping distance D of a car after the brakes have been applied varies directly as the square of the speed s. A certain car
Top answer:
The stopping distance D of a car after the brakes have been applied varies directly as the square of
Read more.
Related Questions
How much work must be done to stop a 1250 kg car traveling at 105 km/h?
Which of the following scenarios accurately describes magnitude and direction?(1 point)
Responses A car traveling northward with
The stopping distance d of a car after the brakes have been applied varies directly as the square of the speed r. If a car
A driver in a car traveling at a speed of 60 mi/h sees a deer 100 m away on the road. Calculate the minimum constant
A car (mass = 750 kg) is initially moving with velocity 30 m/s. The driver slowly presses on the brakes and bring the car to a
The driver of a car traveling at 25.0 m/s applies the brakes and undergoes a constant negative acceleration of magnitude 2.50
The brakes are applied to a car traveling on a dry, level highway. A typical value for the magnitude of the car's acceleration
A car with good tires on a dry road can decelerate at about 5.0m/s/s when braking. If the car is traveling at 55miles/hour, how
A 8000N car is traveling 12 m/s along a horizntal road when the brakes are applied. The car skids to a stop in 4.0s. How much
A car of mass m = 1450 kg is traveling at a speed of
v0 = 79 km/h (21.9 m/s). Calculate the work that must be done by the brakes