1answer.
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
nordsb [41]
3 years ago
15

A physics student swings a pail of water in a vertical circle 1.0 m in radius at a constant speed. If the water is NOT to spill

on him/her: (A) calculate the minimum speed of the pail of water (B) calculate the maximum time per revolution (period) of the swing
Physics
1 answer:
love history [14]3 years ago
7 0

Answer:

(A) 3.1 m/s

(B) 2.0 s

Explanation:

At the minimum speed, the force of gravity equals the centripetal force.

mg = m v² / r

v = √(gr)

v = √(9.8 m/s² × 1.0 m)

v = 3.1 m/s

The time is the circumference divided by the speed.

t = (2π × 1.0 m) / (3.1 m/s)

t = 2.0 s

You might be interested in
In what way has technology used aboard the International Space Station benefitted humans back on Earth?
FrozenT [24]

Answer:

Robotic arms used aboard the ISS are now used in delicate surgeries on Earth.

Explanation:

The ISS allows users to address hardware product development gaps, advanced manufacturing, and emerging technology proliferation. Microgravity-enabled material production capabilities and advanced manufacturing facilities are demonstrating scientific and commercial merit for Earth benefit

8 0
3 years ago
Read 2 more answers
An object is thrown from the ground with an initial velocity of 30 m/s. What is the velocity at the point 25 m above the ground?
dsp73

Answer:

It's a pretty simple suvat linear projectile motion question, using the following equation and plugging in your values it's a pretty trivial calculation.

V^2=U^2+2*a*x

V=0 (as it is at max height)

U=30ms^-1 (initial speed)

a=-g /-9.8ms^-2 (as it is moving against gravity)

x is the variable you want to calculate (height)

0=30^2+2*(-9.8)*x

x=-30^2/2*-9.8

x=45.92m

3 0
2 years ago
Read 2 more answers
Express 4,560 m in Km
Gala2k [10]
4.56 km is the answer
7 0
3 years ago
Read 2 more answers
I have a special thermos that has a vacuum chamber between my hot soup and its outside wall. Because my soup is isolated from it
bagirrra123 [75]

Answer:

C. My soup will cool down because of radiation.

Explanation:

Since, there is vacuum between hot soup and its outside wall, then heat can not flow through conduction and convection.

The heat then only flows through radiation.

Therefore, the soup will not cool down because of convection or conduction by because of radiation.

7 0
3 years ago
Name three variables that affect a life system
sweet-ann [11.9K]
Three things that effect a life system would be
- sunlight
-water
-energy/food

Hope this helps
7 0
3 years ago
Read 2 more answers
Other questions:
  • Hello, What is a four letter word the second letter is a O, and the hint is, “A period or measurement of time”
    7·2 answers
  • What do wind and moving water have in common? Select one: They both have electrical energy They both have elastic potential ener
    10·1 answer
  • Unexpected orbital velocities of stars around the centers of galaxies led astronomers to predict the existence of dark _____.
    7·2 answers
  • If you are driving 72 km/h along a straight road and you look to the side for 4.0 s, how far do you travel during this inattenti
    9·1 answer
  • A car with a mass of 860 kg sits at the top of a 32 meter high hill. Describe the transformations between potential and kinetic
    11·1 answer
  • Two objects of equal mass are a fixed distance apart. If the mass of each object could be tripled, the gravitational force betwe
    7·1 answer
  • A technician services the carburetor, and then, performs a complete governor system adjustment. The governor system on the engin
    11·1 answer
  • The net force experienced by an object is increased. What affect does this have on the acceleration of the object?
    12·1 answer
  • "Johnson is throwing rocks at a bug. The bug in response first flies up 117 Cm, then down 32 cm. After dodging another rocks, th
    12·1 answer
  • A steel fork and a plastic spoon are both at the same temperature. The fork feels colder when you touch it. This is because:
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!