answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Diano4ka-milaya
1 month ago
11

A roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at â7.0 meters per second2 to a

full stop. approximately how far does the roller coaster travel during its deceleration?
Physics
1 answer:
Keith_Richards [3.2K]1 month ago
8 0
<span>We can deduce distance using the equation d = [(v_f^2) - (v_i^2)]/(2a). So, d = [(0^2)-(15^2)]/(2*-7) d = [0-(225)]/(-14) d = 225/14 d = 16.0714 m Considering two significant figures, the roller coaster covers approximately 16 meters as it decelerates.</span>
You might be interested in
A student is trying to classify an unidentified, solid gray material as a metal or a nonmetal. Which question will best help the
kicyunya [3294]
The most effective question for the student to determine whether the substance is metal or nonmetal would be option C.
8 0
16 days ago
Read 2 more answers
Suppose that A’, B’ and C’ are at rest in frame S’, which moves with respect to S at speed v in the +x direction. Let B’ be loca
Keith_Richards [3271]

Response:

1) An observer in B 'perceives the two events occurring at the same time

2) Observer B recognizes that the events happen at different times

3)  Δt = Δt₀ /√ (1 + v²/c²)

Clarification:

This scenario illustrates the concept of simultaneity in special relativity. It is important to keep in mind that light's speed remains constant across all inertial frames

1) Since the events are stationary within the frame S ', they propagate at the constant speed of light, resulting in them reaching observation point B'—located equidistantly between both events—simultaneously

Thus, an observer in B 'observes the two events occurring at the same time

2) For an observer B situated within frame S attached to the Earth, both events at A and B appear to take place at the same moment. However, the event at A covers a shorter distance, while the event at B travels a longer distance, since frame S 'is in motion at velocity + v. Hence, with a constant speed, the event covering the lesser distance is perceived first.

Consequently, observer B perceives that the events do not occur simultaneously

3) Let's determine the timing for each event

        Δt = Δt₀ /√ (1 + v²/c²)

where t₀ represents the time in the S' frame, which remains at rest for the events

8 0
1 month ago
Jack pulls a sled across a level field by exerting a force of 110 n at an angle of 30 with the ground. what are the parallel and
Softa [3030]
<span>A force of 110 N is applied at an angle of 30</span>°<span> to the horizontal. Because the force does not align directly either vertically or horizontally with the sled, it can be broken down into two components based on sine and cosine.

For the component parallel to the ground:
x = rcos</span>β
<span>x = 110cos30</span>°
<span>x = 95.26

For the component perpendicular to the ground:
y = rsin</span>β
<span>y = 110sin30</span>°
<span>y = 55</span>
3 0
1 month ago
Read 2 more answers
In an inertial frame of reference, a series of experiments is conducted. in each experiment, two or three forces are applied to
Yuliya22 [3333]
Objects will stay in a stationary position if the total force acting on them amounts to zero; this occurs when equal forces are applied in opposite directions. According to Newton's second law, if the net force on an object is zero, it will not move.
8 0
1 month ago
So, why can a properly executed karate kick break a concrete block without fracturing bones [16]? first, bone is a very strong m
Yuliya22 [3333]
Contact me for the complete response, if it’s not too late.
3 0
23 days ago
Other questions:
  • An object is released from rest near and above Earth’s surface from a distance of 10m. After applying the appropriate kinematic
    8·1 answer
  • Suppose you push a hockey puck of mass m across frictionless ice for a time 1.0 s, starting from rest, giving the puck speed v a
    13·2 answers
  • A cylindrical tank of methanol has a mass of 40 kgand a volume of 51 L. Determine the methanol’s weight, density,and specific gr
    10·1 answer
  • Describe a well-known hypothesis that was discarded because it was found to be untrue.earth-centered model of the universe. the
    6·1 answer
  • The total energy of a 0.050 kg object travelling at 0.70 c is:
    8·2 answers
  • On a hot summer day, you decide to make some iced tea. First, you brew 1.50 LL of hot tea and leave it to steep until it has rea
    12·1 answer
  • Compare and contrast the strength of the forces between two objects with a mass of 1 kg each, a charge of 10
    8·1 answer
  • At a location where the acceleration due to gravity is 9.807 m/s2, the atmospheric pressure is 9.891 × 104 Pa. A barometer at th
    5·2 answers
  • Zamir and Talia raced through a maze. Zamir walked 2 m north, 2 m east, 4 m south, 2 m east, 4 m north, 2 m east, 3 m south, 4 m
    11·2 answers
  • A wire along the z axis carries a current of 4.9 A in the z direction Find the magnitude and direction of the force exerted on a
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!