# An automobile is traveling along a highway at 88 km/h. If it travels instead at 96 km/h, what is the percent increase in the automobile's kinetic energy?

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### Physics Please Help!

1. How much work is required to stop an electron (m = 9.11 10^-31 kg) which is moving with a speed of 1.97 10^6 m/s? 2. An automobile is traveling along a highway at 91 km/h. If it travels instead at 100 km/h, what is the percent increase in the automobile's kinetic energy? 3...

### Calculus

A road perpendicular to a highway leads to a farmhouse located 6 mile away. An automobile traveling on the highway passes through this intersection at a speed of 75mph. How fast is the distance between the automobile and the farmhouse increasing when the automobile is 10 miles...

### Calculus - Related Rates

A road perpendicular to a highway leads to a farmhouse located 5 miles away. An automobile traveling on the highway passes through this intersection at a speed of 65mph. How fast is the distance between the automobile and the farmhouse increasing when the automobile is 1 miles...

### Calculus

A road perpendicular to a highway leads to a farmhouse located 6 mile away. An automobile traveling on the highway passes through this intersection at a speed of 55mph. How fast is the distance between the automobile and the farmhouse increasing when the automobile is 2 miles ...

### math

A road perpendicular to a highway leads to a farmhouse located 8 mile away.An automobile travels past the farmhouse at a speed of 80 mph. How fast is the distance between the automobile and the farmhouse increasing when the automobile is 7 miles past the intersection of the ...

### calculus

a road that runs perpendicular to a highway leads to a farmhouse located one mile off the highway an automobile travels down the highway past the road leading to the farmhouse at a speed of 60 mph how fast is the distance between the farmhouse an automobile increasing when the...

### Physics

Having trouble determ the formulas for the follow problems. 2. If an automobile travels at 30 km/hr. for 2 hours, how far does it go? 60 km 3. At time = 0 an automobile already traveling at 30 km/hr. accelerates at 3m/s2 for 2 seconds. During these two seconds, how far does it...

### Science

I have some equations that I would like checked. Thanxs! 1. An automobile starts from rest and accelerates at 3m/s2 for 4 seconds. How fast is it going after acceleration? 3m/s^2 / 4 = .75 m/s 2. If an automobile travels at 30 km/hr. for 2 hours, how far does it go? d=(30 km/...

### Physics

When a driver brakes an automobile, friction between the brake disks and the brake pads converts part of the car's translational kinetic energy to internal energy. If a 1500 kg automobile traveling at 42 m/s comes to a halt after its brakes are applied, how much can the ...

### physics

When a driver brakes an automobile, friction between the brake disks and the brake pads converts part of the car's translational kinetic energy to internal energy. If a 1280 kg automobile traveling at 30.8 m/s comes to a halt after its brakes are applied, how much can the ...

### physics

When a driver brakes an automobile, friction between the brake disks and the brake pads converts part of the car's translational kinetic energy to internal energy. If a 1250 kg automobile traveling at 37.2 m/s comes to a halt after its brakes are applied, how much can the ...

### physics

When a driver brakes an automobile, friction between the brake disks and the brake pads converts part of the car's translational kinetic energy to internal energy. If a 1250 kg automobile traveling at 37.2 m/s comes to a halt after its brakes are applied, how much can the ...

### Thermodynamic Physics

When a driver brakes an automobile, friction between the brake disks and the brake pads converts part of the car's translational kinetic energy to internal energy. If a 1500 kg automobile traveling at 42 m/s comes to a halt after its brakes are applied, how much can the ...

### physics

compute the kinetic energy of an 1800 lb automobile traveling at 30 mi/hr. how many times as great is the kinetic energy if the velocity is doubled? compute the kinetic energy, in erg and in joules, of a 2 gram bullet travelling at 500 m/sec.

### Physics

When a driver brakes an automobile, the friction between the brake drums and the brake shoes converts the car's kinetic energy to thermal energy. If a 1750-kg automobile traveling at 28 m/s comes to a halt, how much does the temperature rise in each of the four 8.0 kg iron ...

### physics

A motorcycle, an automobile and a bus are all traveling at the same speed. Which has the least kinetic energy? The greatest kinetic energy?

### Calculus

Two automobiles are traveling on intersecting roads. The first automobile is traveling northeast at 35 km/h. The second automobile begins 7 km north of the first, and it is traveling east at 25 km/h. Assuming that these cars will continue at this rate, will they collide? ...

### Physics

At the instant a traffic light turns green, an automobile that has been waiting at an intersection starts moving forward with a constant acceleration of 2.00m/s(squared). At the same time a truck traveling with a constant speed of 18m/s, overtakes and passes the automobile. 1....

### Physics

At the instant a traffic light turns green, an automobile that has been waiting at an intersection starts moving forward with a constant acceleration of 2.00m/s(squared). At the same time a truck traveling with a constant speed of 18m/s, overtakes and passes the automobile. 1....

### Science

While traveling along a highway a driver slows from 24 m/s to 15 m/s in 12 seconds. What is the automobile's acceleration? How would I show the work and find this answer?

### Physics

A automobile travels at a speed of northward along a street, and a 7000-N sports car travels at a speed of eastward along an intersecting street. (a) If neither driver brakes and the cars collide at the intersection and lock bumpers, what will the velocity of the cars be ...

### physics

At the instant the traffic light turns green, an automobile that has been waiting at an intersection starts ahead with a constant acceleration of 2.10m/s2 . At the same instant, a truck, traveling with a constant speed of 15.1m/s , overtakes and passes the automobile. How far ...

### Physics

what is the kinetic energy in joules of a 1040-kg automobile traveling at 81 km/h ?

### Physics

A 15500 N automobile travels at a speed of 41 km/h northward along a street, and a 7000 N sports car travels at a speed of 65 km/h eastward along an intersecting street. a)If neither driver brakes and the cars collide at the intersection and lock bumpers, what will the ...

### Physics- hard problem

A 14000 N automobile travels at a speed of 40 km/h northward along a street, and a 7000 N sports car travels at a speed of 62 km/h eastward along an intersecting street.(a) If neither driver brakes and the cars collide at the intersection and lock bumpers, what will the ...

### Physics

What is the kinetic energy of an automobile with a mass of 1250 kg traveling at a speed of 11 m/s?

### Physics

A 14000 N automobile travels at a speed of 50 km/h northward along a street, and a 7500 N sports car travels at a speed of 62 km/h eastward along an intersecting street. (a) If neither driver brakes and the cars collide at the intersection and lock bumpers, what will the ...

### Physics

A 14000 N automobile travels at a speed of 50 km/h northward along a street, and a 7500 N sports car travels at a speed of 62 km/h eastward along an intersecting street. (a) If neither driver brakes and the cars collide at the intersection and lock bumpers, what will the ...

### physics

an automobile with the mass of 2000 kg is moving north on a level, striaght highway with a constant velocity of 80 km/h. what is th unbalanced force acting on the automobile

### physics

Traveling at a speed of 14.3 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.730. What is the speed of the automobile after 1.15 s have elapsed? Ignore the effects of ...

### Physics

Traveling at a speed of 16.3 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.620. What is the speed of the automobile after 1.60 s have elapsed? Ignore the effects of ...

### physics

Traveling at a speed of 18.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.690. What is the speed of the automobile after 1.41 s have elapsed? Ignore the effects of ...

### physics

Traveling at a speed of 18.3 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.540. What is the speed of the automobile after 1.33 s have elapsed? Ignore the effects of ...

### Physics

Traveling at a speed of 19.3 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.620. What is the speed of the automobile after 1.46 s have elapsed? Ignore the effects of ...

### Physics

Traveling at a speed of 15.9 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.700. What is the speed of the automobile after 2.00 s have elapsed? Ignore the effects of ...

### Physics

Traveling at a speed of 20.0 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.540. What is the speed of the automobile after 1.11 s have elapsed? Ignore the effects of ...

### Physics

Traveling at a speed of 15.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.640. What is the speed of the automobile after 1.45 s have elapsed? Ignore the effects of ...

### Physics

Traveling at a speed of 16.1 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.650. What is the speed of the automobile after 1.20 s have elapsed? Ignore the effects of ...

### physics

Traveling at a speed of 19.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.740. What is the speed of the automobile after 1.21 s have elapsed? Ignore the effects of ...

### physics

Traveling at a speed of 12.1 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.740. What is the speed of the automobile after 1.42 s have elapsed? Ignore the effects of ...

### .

Traveling at a speed of 19.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.740. What is the speed of the automobile after 1.21 s have elapsed? Ignore the effects of ...

### physics

Traveling at a speed of 19.0 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.660. What is the speed of the automobile after 1.31 s have elapsed? Ignore the effects of ...

### physics

Traveling at a speed of 16.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.590. What is the speed of the automobile after 1.35 s have elapsed? Ignore the effects of ...

### physics

Traveling at a speed of 18.0 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.580. What is the speed of the automobile after 1.44 s have elapsed? Ignore the ...

### Physics

An automobile with a mass of 100kg is moving north on a level straight highway with a constant velocity of 80km/h. What is the unbalanced force acting on the automobile?

### Physics

At the instant the traffic light turns green, an automobile starts with a constant acceleration a of 2.3 m/s2. At the same instant a truck is 11.7 m down the road and traveling with a constant speed of 10.4 m/s. (a) How far beyond the traffic signal will the automobile ...

### physics

At the instant the traffic light turns green, an automobile starts with a constant acceleration a of 2.3 m/s2. At the same instant a truck, traveling with a constant speed of 9.4 m/s, overtakes and passes the automobile. (a) How far beyond the traffic signal will the ...

### physics

a 1200-kg automobile travels at a speed of 90-km/h (a)what is the kinetic energy? (b) what is the net work that would be required to bring it to a stop?

### Science-Physics HELP

A S.S. automobile travels N at 40 km/h and a P.A. automobile travels E at 50 km/h. Relative to the observer riding in the S.S. auto what are the x and y components of the velocity of the P.A. car? The x axis is to the E and the y axis is to the N.

### College Physics - Speed

Traveling at a speed of 15.6 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.730. What is the speed of the automobile after 1.25 s have elapsed? Ignore the effects of ...

### physics help

A 1100 kg automobile is at rest at a traffic signal. At the instant the light turns green, the automobile starts to move with a constant acceleration of 3.0 m/s2. At the same instant a 2800 kg truck, traveling at a constant speed of 8.0 m/s, overtakes and passes the automobile...

### trigonometry

an automobile tire has a diameter of 36 inch.how many revolution will the wheel make an arc the automobile travels 1 mile (5280 A)?

### physics

Consult Multiple Concept Example 10 in preparation for this problem. Traveling at a speed of 18.7 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.730. What is the ...

### Physics

Could you please check my answers and units. Thanxs! 1. An automobile starts from rest and accelerates at 3m/s2 for 4 seconds. How fast is it going after acceleration? -I got 12 m/s 3. At time = 0 an automobile already traveling at 30 km/hr. accelerates at 3m/s2 for 2 seconds...

### Physics

An automobile and a truck start from rest at the same instant, with the automobile initially at some distance behind the truck. The truck has a constant acceleration of 2.15m/s2 , and the automobile an acceleration of 3.47m/s2 . The automobile overtakes the truck after the ...

### Calculus Maxima/Minima

An automobile traveling at the rate of 30 ft/sec is approaching an intersection. When the automobile is 120 ft. from the intersection, a truck, traveling at the rate of 40 ft/sec on a road at right angles with the automobile’s road crosses the intersection. How long after ...

### physics

A person is driving an automobile at 95 km/h and throws a bottle of mass .600 kg straight out the window. a) With what momentum does the bottle hit the roadway sign? b) With what momentum does the bottle hit an oncoming automobile traveling in the opposite direction at 85 km/h...

### Physics

Could you please check my answers and units.Also, help me with 3 and 4, I don't quite understand them. Thanxs! 1. An automobile starts from rest and accelerates at 3m/s2 for 4 seconds. How fast is it going after acceleration? -I got 12 m/s 3. At time = 0 an automobile already ...

### physics

An automobile moving at a constant velocity of 15 m/s passes a gasoline station. Two seconds later, another automobile leaves the station and accelerates at a constant rate of 2 m/s^2 in the same direction as the 1st automobile. How soon does the 2nd automobile overtake the ...

### math

Assume the brakes of an automobile produce a constant deceleration of k ft/sec^2. Determine what k must be to bring an automobile traveling 60 mph to a rest in a distance of 100 ft from the point where breaks are applied? With the same k, how far would a car traveling 30mph ...

### physics

What speed would a fly with a mass of 0.71 g need in order to have the same kinetic energy as a 1250 kg automobile traveling at a speed of 11 m/s?

### physics

What speed would a fly with a mass of 0.61 g need in order to have the same kinetic energy as a 1250 kg automobile traveling at a speed of 11 m/s?

### physics

How long does it take an automobile traveling in the left lane of a highway at 65.0 km/h to overtake (become even with) another car that is traveling in the right lane at 40.0 km/h when the cars' front bumpers are initially 80 m apart?

### Physics

At the instant the traffic light turns green, an automobile that has been waiting at an intersection starts ahead with a constant acceleration of 2.50 . At the same instant, a truck, traveling with a constant speed of 15.4 , overtakes and passes the automobile. How far beyond ...

### math

A new automobile costs $23,782, but after one year it is worth $17,668. What is the approximate percent of decrease in the value of the automobile?

### physics

suppose an automobile has a kinetic energy of 2900J. when it moves with 3 times the speed, what will be its kinetic energy? answer in the units of joules

### College Physics

How long does it take an automobile traveling in the left lane of a highway at 60.0 km/h to overtake (become even with) another car that is traveling in the right lane at 20.0 km/h when the cars' front bumpers are initially 75 m apart?

### College Physics

How long does it take an automobile traveling in the left lane of a highway at 60.0 km/h to overtake (become even with) another car that is traveling in the right lane at 20.0 km/h when the cars' front bumpers are initially 75 m apart?

### Math

How long does it take an automobile traveling in the left lane of a highway at 70.0 km/h to overtake (become even with) another car that is traveling in the right lane at 20.0 km/h when the cars' front bumpers are initially 110 m apart? s

### calculus

X. An automobile with seven years of use has a commercial value of $34057.7, but five years ago its value was $72250. If the value of such automobile varies exponentially with the time. (36-41) 36.- What was the value of the automobile when it was new? 37.- What will be the ...

### calculus

An automobile with seven years of use has a commercial value of $34057.7, but five years ago its value was $72250. If the value of such automobile varies exponentially with the time. (36-41) 36.- What was the value of the automobile when it was new? 37.- What will be the value...

### science

A person drive an automobile with a mass of 450 kilograms at a velocity of 26 meters per second. The driver accelerates to a velocity of 30 meters per second. The difference in the automobile's kinetic energy is how many joules?

### math

a freight train is traveling 30mph. An automobile starts out from the same place 1 hour later and overtakes the train in 3 hours. What was the rate of the automobile?

### physics

n automobile traveling at a speed of 29.3 m/s applies its brakes and comes to a stop in 4.9 s. If the automobile has a mass of 1.2 103 kg, what is the average horizontal force exerted on it during braking? Assume the road is level. magnitude N direction

### Physics

An automobile and train move together along parallel paths at 31.6 m/s. The automobile then undergoes a uniform acceleration of −4 m/s2 because of a red light and comes to rest. It remains at rest for 44 s, then accelerates back to a speed of 31.6 m/s at a rate of 2.22 m...

### physics

An automobile and train move together along parallel paths at 39.1 m/s. The automobile then undergoes a uniform acceleration of −4 m/s 2 because of a red lightand comes to rest. It remains at rest for 22.5 s, then accelerates back to a speed of 39.1 m/s at a rate of 2.53...

### Physics

An automobile and train move together along parallel paths at 21.8 m/s. The automobile then undergoes a uniform acceleration of −4 m/s 2 because of a red light and comes to rest. It remains at rest for 19.1 s, then accelerates back to a speed of 21.8 m/s at a rate of 3 m...

### physics

An automobile and train move together along parallel paths at 20.3 m/s. The automobile then undergoes a uniform acceleration of −4 m/s2 because of a red light and comes to rest. It remains at rest for 19.4 s, then accelerates back to a speed of 20.3 m/s at a rate of 1.95...

### physics

An automobile and train move together along parallel paths at 28.8 m/s. The automobile then undergoes a uniform acceleration of −4 m/s 2 because of a red light and comes to rest. It remains at rest for 63.8 s, then accelerates back to a speed of 28.8 m/s at a rate of 1....

### Physics

At some automobile toll-collecting stations, a thin metal wire sticks up from the road and makes contact with cars before they reach the toll collector. What is the purpose of this wire? 1. To warn the drivers 2. To count the vehicles 3. To transfer positive particles to the ...

### Chem 2

i need help setting this problem up i know what the answer is but need to know how to get to it. calculate the kinetic energy in joules of an automobile weighing 2135lb and traveling at 55 mph (1 mile=1.6093km, 1lb=453.59g)

### Accounting

Janfer Book Store purchased a new automobile that cost $10,000, made a down payment of $3,000, and signed a note payable for the balance. The entry to record this transaction is: Cash 3,000.00 Note Payable7,000.00 Automobile 10,000.00 Cash 3,000.00 Automobile 3,000.00 ...

### Physics check my answers!

Check my answers thanks! 1. A diesel automobile outputs ThermE, RadE, ElectE and KinE from an input of a. NuclE b. ChemE c. ElectE d. KinE I think its b Two race cars cross the finish line at exactly the same time but the first car is twice as massive as the second car. How ...

### Physics

A 1500 kg automobile travels at a speed of 105 km/h along a straight concrete highway. Faced with an emergency situation, the driver jams on the brakes, and the car skids to a stop. (a) What will be the car's stopping distance for dry pavement (µ = 0.85)? (b) What will be the...

### physics

If there is just one force acting on an object, does its work necessarily result in an increase in kinetic energy? Explain. (Select all that apply.) 1.Yes, when a force does work on an object it always results in an increase in kinetic energy. 2.The work done by the force on ...

### physics

If there is just one force acting on an object, does its work necessarily result in an increase in kinetic energy? Explain. (Select all that apply.) 1.Yes, when a force does work on an object it always results in an increase in kinetic energy. 2.The work done by the force on ...

### Physics

At an antique car rally, a Stanley Steamer automobile travels north at 38 km/h and a Pierce Arrow automobile travels east at 51 km/h. Relative to an observer riding in the Stanley Steamer, what are the x- and y-components of the velocity of the Pierce Arrow car?

### Physics

At an antique car rally, a Stanley Steamer automobile travels north at 38 km/h and a Pierce Arrow automobile travels east at 51 km/h. Relative to an observer riding in the Stanley Steamer, what are the x- and y-components of the velocity of the Pierce Arrow car?

### c++

Write a C++ program that reads the Capacity (in gallons)of an automobile fuel tank, and Miles per gallon this automobile can be driven. It outputs the number of miles this automobile is driven without refueling

### physics

A 1500 kg automobile travels at a speed of 105 km/h along a straight concrete highway. Faced with an emergency situation, the driver jams on the brakes, and the car skids to a stop. (a) What will be the car's stopping distance for dry pavement (µ = 0.85)? (b) What will be the...

### physics

An automobile that has a mass of 1.3 x 103 Kg, has 3.9 x 105 J of kinetic energy when it has speed of 24.6 m s-1 (88.6 km h-1). What height should you lift the car to have this energy?

### physics

An automobile with a mass of 1400 kg has a speed of 30.0 m/s. What is its kinetic energy

### UOS

Write a C++ program that reads the Capacity (in gallons)of an automobile fuel tank, and Miles per gallon this automobile can be driven. It outputs the number of miles this automobile is driven without refueling .

### Physics

An automobile is brought to a stop by applying friction brakes to the wheels. The brakes get hot; their thermal energy is increased. The decrease in kinetic of the car is equal to the increase in thermal energy of the brakes. According to the first law of thermodynamics, the ...

### Physical Science

An automobile traveling at 25km/hour has kinetic energy equal to 1x10 to the fourth power J. What is the mass of the car? K.E. = (1/2)M V^2 = 10^4 J Convert the speed to m/s and them use that V to solve for the mass of the car, in kg. V = 25000 m/hr x (1 hr/3600 s) = _____ m/s...

### college physics

an automobile traveling at 25.0 km/h along straight,level road accelerates to 65.0 km/h in 6.00s what is the acceleration

### Physics

A 5.00-grain aspirin tablet has a mass of 320 mg. For how many kilometers would the energy equivalent of this mass power an automobile? Assume 12.75 km/L and a heat of combustion of 3.65x10^7 J/L for the gasoline used in the automobile.

### Economics

Engineers at a national research laboratory built a prototype automobile that could be driven 180 miles on a single gallon of unleaded gasoline. They estimated that in mass production the car would cost $40,000 per unit to build. The engineers argued that Congress should force...

### Physics

An advertisement claims that a particular automobile can "stop on a dime". What net force would actually be necessary to stop an automobile of mass 850Kg traveling initially at a speed of 43.0 km/h in a distance equal to the diameter of a dime, which is 1.8cm ?