subject

Physics, 23.01.2021 02:20 11232003

A child of mass 40.0 kg is in a roller coaster car that travels in a loop of radius 7.00 m. At point A the speed of the car is 10.0 m/s, and at point B, the speed is 10.5 m/s. Assume the child is not holding on and does not wear a seat belt. . What minimum speed is required to keep the child in his seat at point A?

A child of mass 40.0 kg is in a roller coaster car that travels in a loop of radius 7.00 m. At poin

ansver

Answers: 2

Show answers

Another question on Physics

question

Physics, 22.06.2019 11:00

If a simple machine reduces the strength of a force, what must be increased?

Answers: 3

question

Physics, 22.06.2019 20:00

Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?

Answers: 1

question

Physics, 22.06.2019 21:00

Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.

Answers: 1

question

Physics, 22.06.2019 22:00

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m

Answers: 1

You know the right answer?

A child of mass 40.0 kg is in a roller coaster car that travels in a loop of radius 7.00 m. At point...

Questions

question

Biology, 06.10.2019 07:00

What type of intercellular junction bands together adjacent cells?...

question

History, 06.10.2019 07:00

The differences in the economic development of the mid-atlantic, new england, and southern colonies can best be attributed to the...

question

Business, 06.10.2019 07:00

Prepare financial statements for the month ending january 31, 2019. (income statement, statement of retained earnings, classified balance sheet ). for...

question

Mathematics, 06.10.2019 07:00

6pens cost 2.40 what is the cost of 9...

question

Mathematics, 06.10.2019 07:00

Despite his mother's warnings, timothy was playing ball in the house when his ball bounced out the window. a freely falling body accelerates at about...

question

Mathematics, 06.10.2019 07:00

What is the value of the underlined digit 16403...

question

Social Studies, 06.10.2019 07:00

Accounting profits are typically a. greater than economic profits because the former do not take implicit costs into account. b. equal to economic pro...

question

Physics, 06.10.2019 07:00

Which of the subshell designations are possible and which are impossible? 1) 2p 2) 1f 3) 3s 4) 1d 5) 1p...

question

Mathematics, 06.10.2019 07:00

If a > 0, b> 0, show that f(x)= a(1-e^-bx) is everywhere increasing and everywhere concave down....

question

Mathematics, 06.10.2019 07:00

What is the perimeter of the larger rectangle

question

Health, 06.10.2019 07:01

Explain why proper body alignment is important and give an example of what can happen is someone uses improper body alignment during a workout...

question

English, 06.10.2019 07:01

Read the sentence below: refrain from taking the food items that do not belong to you. which revision of this sentence chang...

question

Chemistry, 06.10.2019 07:01

Match the following type of reactions to the correct equation. pb(no3)2 + 2hcl --> pbcl2 + 2hno3 2c2h6 + 7o2 --> 4co2 + 6h2o

question

Mathematics, 06.10.2019 07:01

1. 1/6 as a decimal and percent 2. x - 3 ≥ - 1 3. 2x plus 3< 1 4. 3x plus 3 - x - 3...

question

Biology, 06.10.2019 07:01

Does budding produce genetically different organisms?...

question

Physics, 06.10.2019 07:01

Athermometer is placed in water in order to measure the water’s temperature. what would cause the liquid in the thermometer to drop? . . a. the...

question

Physics, 06.10.2019 07:01

An electrical motor spins at a constant 2035 rpm. if the armature radius is 5.862 cm, what is the acceleration of the edge of the rotor?...

question

English, 06.10.2019 07:01

Which three parts of this excerpt from beowulf relate to a warrior code ?

question

Biology, 06.10.2019 07:01

What is atp, and when is energy released from it...

question

Spanish, 06.10.2019 07:01

Ineed plz? i don’t understand this? ?...

More questions: Physics Another questions

Questions on the website: 13722359