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Using conservation of energy, how fast would a rollercoaster be traveling at a point half way above the ground where it started from, assuming that is started at rest and 95.7 m above the ground?

Morecore asked Jul 12, 2023

by Morecore

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120k views

A jogger jogs from one end to the other of a straight track in 1.03 min and then back to the starting point in 1.69 min. What is the jogger's average speed at the following points? (Assume the track is

Mohammad Falahat asked Jul 12, 2023

by Mohammad Falahat

6.3k points

1 answer

1 vote

216k views

a mass on a spring bobs up and down over a distance of 17 cm from the top to the bottom of its path once each second. what are its period and amplitude?

Fattaneh Talebi asked Jul 12, 2023

by Fattaneh Talebi

6.1k points

1 answer

1 vote

177k views

If you toast a piece of bread then spread butter onto the warm piece of toast, what would be the physical change occurring? What would be the chemical change occurring?

Gene Sy asked Jul 12, 2023

by Gene Sy

5.9k points

1 answer

3 votes

71.7k views

A car traveling at a constant 15.0 m/s travels 35.0 m, how long did it take?(Input your answer with 1 decimal place, round accordingly)

Temi Fakunle asked Jul 12, 2023

by Temi Fakunle

6.3k points

2 answers

4 votes

30.1k views

A person who weighs 764 N supports himself on the ball of one foot. The normal force N = 764 N pushes up on the ball of the foot on one side of the ankle joint, while the Achilles tendon pulls up on the

Robin Huy asked Jul 12, 2023

by Robin Huy

6.6k points

1 answer

1 vote

229k views

*2. Balanced forces are needed to move a pencil across a desk.1 pointTrueFalse

Rioted asked Jul 12, 2023

by Rioted

5.4k points

1 answer

2 votes

88.7k views

The electric field at a distance of 0.144 m from the surface of a solid insulating sphere with radius 0.384 m is 1710 n/c. assuming the sphere's charge is uniformly distributed, what is the charge density

Alexander Torstling asked Jul 12, 2023

by Alexander Torstling

6.1k points

1 answer

0 votes

116k views

Solve the following numerical problems

Roman Jaquez asked Jul 12, 2023

by Roman Jaquez

6.8k points

1 answer

5 votes

64.0k views

What is absolute zero?0k0c273-100

Berty asked Jul 12, 2023

by Berty

6.5k points

1 answer

5 votes

114k views

The two solid pieces of confirmation data for the Big Bang are A). That dark matter parameter is not 1.0 B). That the heavy elements are produced in the early universe C). That the CMB is nearly uniform

Ecrb asked Jul 12, 2023

by Ecrb

5.9k points

1 answer

0 votes

152k views

Consider the circuit drawn below. Find the values of each of the currents.

Daniele Tassone asked Jul 12, 2023

by Daniele Tassone

5.9k points

1 answer

0 votes

196k views

The first practical car to use a gasoline engine was built in London in 1826. The power generated by the engine was just 2.984 KW. How long would this engine have to run to produce 3.60 × 104 J of work?

Yoandry Collazo asked Jul 12, 2023

by Yoandry Collazo

5.5k points

1 answer

3 votes

48.3k views

How much time does it take Trey to walk 1,750.0 m to McDonald's from DHS if hewalks at 1.1m/s

James Howell asked Jul 12, 2023

by James Howell

6.5k points

1 answer

3 votes

232k views

Mr Adamson is riding his new time trial bike and is traveling at 5 m/s. He then uniformly accelerates to a velocity of 20 m/s over a 6 second interval. What is his acceleration during this time?

RAW asked Jul 12, 2023

by RAW

6.3k points

1 answer

4 votes

231k views

(choose ) Ramy covered a distance 3080 cm on foot. This distance is equivalent to......... a) 0.03Km + 80cm b) 0.3Km +8cm c) 3Km + 8cm d) 30Km + 80cm

Siegfred asked Jul 12, 2023

by Siegfred

6.6k points

1 answer

0 votes

184k views

When a jet plane is cruising at high altitude, the flight attendants have more of a "hill" to climb as they walk forward along the aisle than when the plane is cruising at a lower altitude. why does the

Fabdarice asked Jul 12, 2023

by Fabdarice

6.4k points

1 answer

8 votes

57.3k views

Due to the Doppler effect, waves from an approaching source (moving toward the observer)are observed as having a shorter wavelength than when they were emitted. What colorwould a green star rapidly approaching

Maran Sowthri asked Jul 12, 2023

by Maran Sowthri

6.1k points

1 answer

1 vote

121k views

Aspirin therapy has been used after ________ or recurrent _________ to reduce the risk of recurrence. Aspirin is contraindicated for anyone with ______________ ___________.

Esqew asked Jul 12, 2023

by Esqew

5.4k points

2 answers

4 votes

201k views

Two 3.31 cm by 3.31 cm plates that form a parallel-plate capacitor are charged to +/- 0.608 nC. What is the electric field strength inside the capacitor if the spacing between the plates is 1.832 mm?

BadAdviceGuy asked Jul 12, 2023

by BadAdviceGuy

5.4k points

1 answer

2 votes

137k views

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