A 13 g toy car moving to the right at 22 cm/s has a head-on nearly elastic collision with a 22 g toy car moving in the opposite direction at 30 cm/s. After colliding, the 13 g car moves with

23,651 results
1. science

The diagrams show forces acting on a toy car as it moves to the right. Which diagram shows the toy car that will most likely accelerate to the right based on these conditions?

2. physics

a 2kg car moving towards the right at 4 m/s collides head on with a 8 kg car moving towards the left at 2 m/s and they stick together. After the collision, the velocity of the combined boides is

3. Physics

A 3-kg toy car with a speed of 6 m/s collides head-on with a 2-kg car traveling in the opposite direction with a speed of 4 m/s. If the cars are locked together after the collision with a speed of 2 m/s, how much kinetic energy is lost? (in units of

4. Physics

During a road test,a driver brakes a 1420kg car moving at 64.8km/h [W]. The car slows down and comes to a stop after moving 729m [W]. What is the net force acting on the car?

5. physics

A boy is swinging a toy on a piece of string in a vertical circle. The toy has a mass of 150g & the radius of the circle is 0.8m. A. he swings the toy with a linear velocity of 2m/s will the toy move in a circle? Explain your answer.

6. physics

A toy car runed off the edge of a table that is 1.225m high. If the car lands 0.400m from the base of the car to fall, a)how long does it take the car to fall 2(1.225)/-9.80=-0.25=0.5s b)what is the horizontal velocity of the car?

7. pysic

A 328 kg car moving at 19.1 m/s hits from behind another car moving at 13.0m/s in the same direction. If the second car has a mass of 790kg and a new speed of 15.1m/s what is the velocity of the first car after the collision?

8. physics

A 3 kg toy car with a speed of 10 m/s collides head-on with a 2 kg car traveling in the opposite direction with a speed of 2 m/s. If the cars are locked together after the collision with a speed of 5.20 m/s, how much kinetic energy is lost?

9. Physics

A 2,000 kg car moving at 10 m/s collides head-on with a 2,500 kg car moving in the opposite direction at 15 m/s. The two cars are locked together after impact. Is this an elastic or an inelastic collision? Why? What is the speed of the cars after impact?

10. physics

A toy car (200 g) moves by shooting a plastic ball (50 g) horizontally out the back. The average acceleration of the car is 1.2 m/s2 [E] and there is negligible friction acting on each part of the toy. (a) Draw an FBD for each object. (b) Identify the

11. physics

A 5 kg toy car with a speed of 6 m/s collides head-on with a stationary 1 kg car. After the collision, the cars are locked together with a speed of 5.00 m/s. How much kinetic energy is lost in the collision?

12. Science

Which phrase best describes a car that has positive acceleration. A. The car is moving slowly. B. The care is slowing down. C. The car is speeding up. D. The car is moving fast. I think its it`s C. But i need help. Please

13. physics

A 13 g toy car moving to the right at 22 cm/s has a head-on nearly elastic collision with a 22 g toy car moving in the opposite direction at 30 cm/s. After colliding, the 13 g car moves with a velocity of 43 cm/s to the left. Find the speed of the second

14. physics

in a game a toy car slides down a slop if the top of the slope is 2 m higher than the foot of the slope how fast will the car be moving when it reaches the foot assume that all of its g.p.e is transformed to k.e (i'm 8th grade so simple answers pleas)

15. Physics

A 100g toy car is propelled by a compressed spring that starts it moving.The compression of the spring is 18cm. It coasts up the frictionless slope, gaining 0.2 min altitude.The speed of the car at this altitude is 0.5 m/s. Find the spring constant. Would

16. physics

A 3 kg toy car with a speed of 10 m/s collides head-on with a 2 kg car traveling in the opposite direction with a speed of 3 m/s. If the cars are locked together after the collision with a speed of 4.80 m/s, how much kinetic energy is lost?

17. science

a 600 kg toy car moving at 3 m/s collides and hooks up with a 900 kg toy car at restand they move off together. What is their final velocity?

18. Physical Science

Two 125 kg bumper cars are moving toward each other in opposite directions. Car X is moving at 10 m/s and Car Z at –12 m/s when they collide head–on. If the resulting velocity of Car Z after the collision is 10 m/s, what is the velocity of Car X after

19. pop

A fast-moving massive car has a head-on collision with a slow-moving light car. Upon which is the impulse greater? A) The massive car. B) The light car. C) Impulse is the same on both. D) More information is needed to correctly answer this.

20. physics

A toy car moving at constant speed complete one lap around a circular track (a distance of 300m) in 30.0s.if the mass of a car is 1.5kg,what is the magnitude of the force that keeps it in a circle?

21. Scientific Method

Joe Student rolled a toy car down a ramp and measured how far it traveled along the floor. He recorded the distance along with the original mass of the toy car. Then, he taped a penny to the roof of the same toy car, measured its new mass, and rolled it

22. physics

A green 4 kg toy car with a speed of 5 m/s collides head-on with a stationary yellow 1-kg car. After the collision, the cars are locked together with a speed of 4 m/s. How much kinetic energy is lost in the collision? a. what is the kinetic energy of the

23. Physics

An 800kg car moving at 80kmh^-1 collides with a 1200kg car moving at 40kmh^-1 in the same direction. If the car sticks together, calculate their common speed

24. Physics

A 20.0 g toy car moving to the right at 21.0 cm/s has a head-on collision with a 34.0 g toy car moving in the opposite direction at 47.0 cm/s. If they begin 396.0 cm apart, how long does it take the cars to collide?

25. Physics

A small toy car with a mass of 0.4 kg and a velocity of 5 m/s crashes into another toy car that was at rest with the same mass. The first toy car stops moving and the second toy car then moves forward and crashes into the third toy car that was at rest

26. physics

A 100-g toy car is propelled by a compressed spring that starts it moving. The car follows the curved track Show that the final speed of the toy car is 0.687 m/s if its initial speed is 2.00 m/s and it coasts up the frictionless slope, gaining 0.180 m in

27. Physics 11

The diagram shows a collision between a 4.0 kg toy car and a stationary 8.0 kg toy truck. After the collision, the car bounces back at 1.0 m/s while the truck goes forward at 2.0 m/s. Based on these values, are momentum and kinetic energy conserved? Image

28. Physics

A 0.75 kg toy car moving with a speed of 3 m/s to the right collides with a 0.25 kg toy car moving with a speed of 3 m/s to the left. The two collide and the 0.25 kg toy car ends with a speed of 5 m/s to the right. What is the final speed of the 0.75 kg

29. Physical Science

A 1000-kg car is moving east at 80 km/h collides head on with a 1500-kg car moving west at 40 km/h, and the two cars stick together. Which way does the wreckage move and with what initial speed?

30. Physics.

A toy car runs off the edge of a horizontal table that is 1.21 m high. The car lands 1.39 m away from the edge of the table How fast was the car moving across the table just before it fell? ____m/s MY WORK: h=1/2gt^2 1.21=1/2(9.8)t^2 1.21=4.9t^2 scuare

31. Physics

Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car B, starting at rest from

32. College Physics

A child's toy consists of a toy car of mass 0.100kg which is able to roll without friction on the loop-the-loop track shown. The car is accelerated from rest by pushing it with force F over a distance d, then the car slides with a constant velocity until

33. Calculus

Two cars are moving with a constant speed towards finish marker, car A is moving from the north at 16km/hr and car B is moving rom east, when equidistant from the marker the cars are 18km apart and distance between them is decreasing at rate of 19km/hr.

34. physics

A child was playing with a toy car on a table of height 1.20 m. The toy car was moving with a velocity of 0.250 m/s and it fell off the edge of the table. How far from the edge of the table will the toy car land?

35. Physics

a toy car of mass 0.01 kg, gets into an elastic collision with a toy train mass 0.35 kg. if the train is at rest and the car is moving at 2 m/s initially. how fast is the train moving after the collision? Use the equation ((2*m)/(m+t))*v

36. Physics

a toy car of mass 0.01 kg, gets into an elastic collision with a toy train mass 0.35 kg. if the train is at rest and the car is moving at 2 m/s initially. how fast is the train moving after the collision?

37. Physics

A 1000-kg car moving east at 80 km/h collides head-on with a 1500-kg car moving west at km/h, and the two cars stick together. (a) Which way does the wreckage move and with what initial speed? (b) How much KE is lost in the collision?

38. physics

A toy car (200 g) moves by shooting a plastic ball (50 g) horizontally out the back. The average acceleration of the car is 1.2 m/s 2 [E] and there is negligible friction acting on each part of the toy. T / I C (a) Draw an FBD for each object. (b) Identify

39. Math

The supply and demand for a business manufacturing toy cars are given by these two equations, where y is the price in dollars per item and x is the number of toy cars sold in thousands. Supply: y = x^2 − x + 0.5 Demand: y = x^2 − 1.6 The two graphs

40. physics

A small toy car is moving around a circular path once in every 8 sec. The radius of track is 3m. find speed of car.

41. Physics

You build a toy model of a water slide. A red 250 g toy car slides down a 40 degree frictionless ramp. At the bottom, just at it exists onto a horizontal part of the slide, it collides with a purple 500 g car at rest. How high should you make the water

42. physics

A 3 kg toy car with a speed of 10 m/s collides head-on with a 2 kg car traveling in the opposite direction with a speed of 2 m/s. If the cars are locked together after the collision with a speed of 5.20 m/s, how much kinetic energy is lost?

43. Physics

If you have a toy car how would you calculate the angle and length of a ramp to propel the toy car 8 ft. I would also the formula for gow much enurtia does it take to overcome friction relative to pull of gravity and outside forces

44. science

Identify the test (independent) variable, the outcome (dependent) variable, at least 3 controlled variables, and the error Joe made in the following experiment: Joe Student rolled a toy car down a ramp and measured how far it traveled along the floor. He

45. math

distance = rate x time or d = r*t car traveling 40 mi/hr goes 40 mi/hr x 1.5 hrs head start or 60 miles head start. Let t = time bus and car travel. car travels distance of r*t = 40*t. Car already had 60 mi head start. Total distance car traveled is 60 +

46. math

An electronic toy car only travels along the line 10x-40y=200. A wireless charging station is located at (50,50) and a toy car can be recharged at a distance of 40 units. 1. at what point is the car closest to the station? 2. at this point, how far is it

47. cience

Henry was given this cool toy for his birthday; he can use it to tell how fast someone is moving at that moment in time. The toy must calculate the person's

48. physics

A police officer investigating an accident estimates that a moving car hit a stationary car at 24km/h . If the moving car left skid marks 45m long, and if the coefficient of kinetic friction is 0.71, what was the initial speed of the moving car? Express

49. physics

a toy car runs off the edge of a table that is 1.225 m high. if the car lands .400 m from the base of the table (A) how long does it take for the car to fall and (B) what is the horizontal velocity of the car?

50. Physics

A drunken driver crashes his car into a parked car that has its brakes set. The two cars move off together (perfectly inelastic collision), with the locked wheels of the parked car leaving skid marks 6.0 m in length. If the mass of the moving car is 2130kg

51. Physics

The toy car in figure 6-12 runs off the edge of a table that is 1.225-m high. The car lands 0.400m from the base of the table a.How long did it take the car to fall? b.How fast was the car going on the table?

52. physical

what is the size and direction of the final velocity of the two cars when a 0.4 kg toy train car moving forward at 3 m/s collides with and sticks to a 0.8 kg toy car that is traveling the opposite direction of -2 m/s

53. Geometry

Joey has a toy car that is a 1:64 scale model of an actual car. (In other words, the length of the actual car is 64 times as long as the length of the toy car.) Joey's toy car can go 5 feet per second. What is the equivalent speed in miles per hour for the

54. Maths

5 kids (A, B, C, D and E) are playing games in the playground. In each round, they follow the rules below to pass on the toy on their hands to the next kid: A→C, B→E, C→A, D→B, E→D. Initially, A and B are holding the car toy each while C, D and E

55. Physical Science

A 1000-kg car moving at 80 km/h collides head on with a 100-kg car moving west at 40km/h, and the two cars stick together. Which way does the wreckage move and with what initial speed?

56. Physics

You set up a ramp with a length of 1.15 m, raising one end to a height of 0.4 m. You then roll a 0.300 kg toy car down the ramp, starting at rest a)What is the change in potential energy of the toy car rolling down this ramp? b)If all of that energy is

57. Physics

Toy 1, which has a mass of 2 kg, is moving to the right at 3 m/s, and Toy 2, whose mass is unknown, is moving to the left at 3 m/s. After the two toys collide, each object's speed is 3 m/s. What could be Toy 2's mass (choose 2 answers)? A. 1 kg B. 3 kg C.

58. Physics

You build a toy model of a water slide. A red 225 g toy car slides down a 40 degree frictionless ramp. At the bottom, just at it exists onto a horizontal part of the slide, it collides with a purple 450 g car at rest. How high should you make the water

59. principles of physics

A fast-moving massive car has a head-on collision with a slow-moving light car. Upon which is the impulse greater? A) The massive car. B) The light car. C) Impulse is the same on both. D) More information is needed to correctly answer this.

60. Physics

A 1000 kg car moving at 27 m/s from left to right collides head-on with a 1500 kg car moving at 30 m/s right to left. A) Determine the magnitude and direction of the velocity of the wreckage after the collision. B) If a 1000 kg car moving at 36 m/s from

61. physics

A 3 kg toy car with a speed of 10 m/s collides head-on with a 2 kg car traveling in the opposite direction with a speed of 2 m/s. If the cars are locked together after the collision with a speed of 5.20 m/s, how much kinetic energy is lost?

62. Physics

Two bumper cars crash head on in an elastic collision. One car #1 was moving 2.5 m/s west and car #2 was moving 3.7 m/s east. Each car has a mass of 254 kg. What are the final velocities after the collision? I think this problem is supposed to be solved

63. Physics

Two bumper cars crash head on in an elastic collision. One car #1 was moving 2.5 m/s west and car #2 was moving 3.7 m/s east. Each car has a mass of 254 kg. What are the final velocities after the collision? I think this problem is supposed to be solved

64. Math

John is playing with a 4oz toy car. If Mary's toy car is 10x more but 4x less than John's. How much does Mary's toy car weigh?

65. math

The kinectic energy E, of a toy car is directly proportional to the square of its velocity v. The difference in the kinectic energy of the toy car when it is travelling at 15cm/s and 20cm/s in 10 J. Find the kinectic energy of the toy car when it is

At rest, a car’s horn sound at the note A(440Hz) The horn is sounded while the car is moving down the street. A bicyclist moving the same direction with one third the car’s speed hears a frequency of 415 Hz. What is the speed of the car? Is the cyclist

67. Physics

A 3500kg truck moving at 45km/h collided head on with a 1600kg car moving at 25km/h. Find the velocity of the combined cars after the collision.

68. physics

Two cars have a head-on collision.Both were traveling at 37 m/s toward each other.Car A has a mass of 432 KG.Car B has a mass of 90 KG. After impact,car A is moving backward at 3 m/s. What car B's velocity after impact?

69. physics

calculate the momentum ofa toy car weighing 200 gram and moving with a velocity of 5meter/second?

70. physics

Henry was given this cool toy for his birthday; he can use it to tell how fast someone is moving at that moment in time. The toy must calculate the person's

71. Science

Predict when a fast toy car can pass a slower toy car . I marked off a distant of 1.5 meters and recorded the time it took the cars to reach the finish line. How do I create a graph and make a prediction? The fast car times were .87 sec. ,.94 sec. ,and .97

72. Science - Physics

How can I investigate what happens to the occupants of a car when the car is in a collision in which it collides head on with a solid object (in my example, it will be a brick), and when a stationary car is hit from behind by a moving car. What I am using:

73. physics

Please decide which of the following statements for car collisions are true or false. 1)Crumple zones on cars are parts of the front of the car that are designed to receive maximum deformation during a head-on collision. The essential safety benefit of

74. MATH WORD PROBLEM

Diego works at a toy store. His boss tells him to order 420 stuffed bears and toy cars. He must order 4 stuffed bears for every 3 toy cars. a) If he must order 9 large stuffed bears for every 7 small stuffed bears, how many of each stuffed bear should he

75. trigonometry

how fast is a toy car moving in ft/min if it makes 20 laps in one minute on a circular track of radius 3 feet ? ( i need to know how to set this problem up)

76. Science (Balanced/Unbalanced Forces)

"Toy Car A" is propelled by elastic force. The other forces acting on the car are gravity (pulling the car down) and friction force (between the car and the floor). What UNBALANCED forces are acting on the car? "Toy Car B" is propelled by air resistance.

"Toy Car A" is propelled by elastic force. The other forces acting on the car are gravity (pulling the car down) and friction force (between the car and the floor). What UNBALANCED forces are acting on the car? "Toy Car B" is propelled by air resistance.

78. Physics

A toy car mass 0.05 kg ,on a ramp with no friction , begins at 0.7 meters high. At the bottom it collides inelastically with a toy truck mass 0.2 kg, at rest. After the collision the car is at rest, what is the final velocity of the truck?

79. physics

A 2000 kg truck is at rest at a stop sign. A 1100kg car collides head-on with the truck. The car was moving at 15.0m/s before the collision if the collision was completely inelastic, what is the velocity of the car and the truck after the collision?

80. physics

A 2000 kg truck is at rest at a stop sign. A 1100kg car collides head-on with the truck. The car was moving at 15.0m/s before the collision if the collision was completely inelastic, what is the velocity of the car and the truck after the collision?

81. physics

If you toss a ball straight up while in a closed train car and the ball hits the front of the car, then the train car could be a) moving backward at constant speed b) moving forward and slowing down c) moving forward and speeding up d) all of these are

82. physics

If you toss a ball straight up while in a closed train car and the ball hits the front of the car, then the train car could be a) moving backward at constant speed b) moving forward and slowing down c) moving forward and speeding up d) all of these are

83. college physics

A truck of mass 9M is moving at a speed v = 15 km/h when it collides head on with a parked car of mass M. Spring mounted bumpers ensure that the collision is essentially elastic. Find the final velocities of each vehicle. Repeat for the case of the car

84. Physics

2. By using the instruments from the task 1, you have determined that it takes 3s for a toy car to travel through the distance of 162cm. What are the relative uncertainties of the distance and time measurements? Which measurements is the least uncertain?

85. Physics- impuse and force

A car is moving to the right with a speed of 20 m/s. A large SUV is moving to the left at a speed of 20 m/s. The SUV has a mass three times that of the small car. They have an totally inelastic head-on collision in an intersection. There are two passengers

86. STATS

The assembly times for a toy car follow a normal distribution with a mean of 55 minutes and a standard deviation of 4 minutes. The company closes at 5pm every day. If one worker starts to assemble a toy car at 4pm, what is the probability that she will

87. Math

John buys a certain number of toy cars and three times as many toy lorries. He pays R30 for each car and R42 for each lorry. He spent R1 092 in total Calculate how many toys he bought altogether

88. Physics

A toy car runs off the edge of a table that is 1.357 m high. If the car lands 0.442 m from the base of the table, (a) how long does it take for the car to fall? s (b) what is the horizontal velocity of the car? m/s

89. physics

how fast must a .11kg toy car travel at the top of a loop in toy track not to fall off if the radius of the loop is .15m?

90. science

A 9-volt battery supplies 0.125 A of electrical current to a toy car. The car has a mass of 0.100 kg and the coefficient of friction between the tires and the ground is 0.4. If the car is 100% efficient, how far will the car travel in 10 seconds?

91. College Physics

Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater

Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater

93. physics

A bath toy is floating stationary in water such that half of the toy is above water and half of the toy is below the water. A kid pulls the toy 3.9 cm down into the water and then lets go. The toy then proceeds to bob up and down. It bobs up and down 26

94. physics

A car moving at 35 mi/h is stopped by jamming on the brakes and locking the wheels. The car skids 53 ft before coming to rest. How far would the car skid if it were initially moving at 56 mi/h?

95. Physics Help

A toy car in the figure below runs off the edge of a table that is h = 1.175 m high. The car lands d = 0.400 m from the base of the table .How long did it take the car to fall? How fast was the car going on the table?

96. Physics

When a rattlesnake strikes, its head accelerates from rest to a speed of 30 m/s in 0.64 s seconds. Assume for simplicity that the only moving part of the snake is its head of mass 100 g. How much (average) power does the rat- tlesnake need to accelerate

97. physics

2 cars are in a race the first car is 200m ahead of the second car.the first car is moving with a uniform velocity of 30m/s while the second car starts from rest and accelerate to a rate of 4m/s how far and how long will it take the second car to meet the

98. Physics

A car with a total mass of 1.48 103 kg has wheels of radius 33.5 cm and moment of inertia 0.810 kg · m2. (a) Find the car's translational kinetic energy when the car is moving at a speed of 30.0 m/s. (b) Find the car's rotational energy when the car is

99. math

Car B is 48km ahead of Car A. If Car Bis not moving and Car A is moving at 48km/h, how long will it take Car A to reach Car B?

100. ap physics

When a rattlesnake strikes, its head acceler- ates from rest to a speed of 21 m/s in 0.46 s seconds. Assume for simplicity that the only moving part of the snake is its head of mass 200 g. How much (average) power does the rat- tlesnake need to accelerate