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
VLD [36.1K]
3 years ago
15

A 0.50-kg mass attached to the end of a string swings in a vertical circle (radius 2.0 m). When the mass is at the highest point

on the circle, the speed of the mass is 12 m/s. What is the magnitude of the force of the string on the mass at this position?
Physics
2 answers:
il63 [147K]3 years ago
7 0

Answer:

31.1 N

Explanation:

m = mass attached to string = 0.50 kg

r = radius of the vertical circle = 2.0 m

v = speed of the mass at the highest point = 12 m/s

T = force of the string on the mass attached.

At the highest point, force equation is given as

T + mg =\frac{mv^{2}}{r}

Inserting the values

T + (0.50)(9.8) =\frac{(0.50)(12)^{2}}{2}

T = 31.1 N

brilliants [131]3 years ago
3 0

Answer: 41N

Explanation :

T= mv^2/R + mgcos θ

At the highest point on the circle θ=0

Cos 0 = 1

T= mv^2/R + mg

m = 0.5kg

Velocity at the highest point (amplitude)= 12m/s

T = 0.5× 12^2/2 + 0.5×10

0.5×144/2 +5

T = 0.5×72 + 5

T = 36+5

T = 41N

You might be interested in
A particle has a charge of -4.25 nC.
SpyIntel [72]

Answer:

-611.32 N/C

0.43723 m

Explanation:

k = Coulomb constant = 8.99\times 10^{9}\ Nm^2/C^2

q = Charge = -4.25 nC

r = Distance from particle = 0.25 m

Electric field is given by

E=\dfrac{kq}{r^2}\\\Rightarrow E=\dfrac{8.99\times 10^9\times -4.25\times 10^{-9}}{0.25^2}\\\Rightarrow E=-611.32\ N/C

The magnitude is 611.32 N/C

The electric field will point straight down as the sign is negative towards the particle.

E=\dfrac{kq}{r^2}\\\Rightarrow r=\sqrt{\dfrac{kq}{E}}\\\Rightarrow r=\sqrt{\dfrac{8.99\times 10^9\times 4.25\times 10^{-9}}{13}}\\\Rightarrow r=1.71436\ m

The distance from the electric field is 1.71436 m

4 0
3 years ago
Read 2 more answers
If we drop different weights from same height which will fall first to ground? Both of them hit the ground at the same time righ
crimeas [40]
Yes tthey would both hit the ground
5 0
3 years ago
Read 2 more answers
What is pressure in physics ​
harkovskaia [24]
Pressure is the force per unit area. This means that the pressure a solid object exerts on another solid surface is its weight in newton’s divided by its area in square metres
8 0
3 years ago
Is the arctic ocean larger than the indian ocean?
Alik [6]
The Arctic Ocean is the smallest ocean. It is more than five times smaller than Indian and Atlantic Oceans.
5 0
3 years ago
List three measurements with different units this are equal to 5 meters
olganol [36]
5kg
50cm
500in
Hope this helped good luck to you
6 0
3 years ago
Other questions:
  • Which biological molecule contains a large amount of the element nitrogen
    15·1 answer
  • G problem 2.68 determine the magnitude of the resultant force.
    7·1 answer
  • How do you the average speed
    15·1 answer
  • A cylindrical coil of radius 6 cm is placed in magnetic field, which is changing in time with the rate 0.5 T/s. The magnetic fie
    8·1 answer
  • Make vector A on the simulation have a magnitude of exactly 10 units. What were the starting points and ending points of your ve
    6·1 answer
  • The length ofa train is 44.5 m. Its front is 100. m from a pole. It accelerates from rest at 0.500 m/s^2. (a) How long does it t
    12·1 answer
  • Which one of the following is correct option: hydrogen,
    10·1 answer
  • Can two objects exert a force on each other without touching? example
    5·1 answer
  • 100 degrees C equals how many degrees F?​
    5·1 answer
  • Which are examples of a medium?
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!