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
Valentin [98]
2 years ago
8

A small mass is released from rest from the edge of a frictionless, hemispherical bowl. As the mass passes through the bottom of

the bowl its acceleration vector is:
Physics
1 answer:
Greeley [361]2 years ago
4 0

Answer:

a=2g

Explanation:

Let the radius of the hemisphere is R. The mass is released from rest so the initial speed is equal to zero and acceleration is equal to the g.

By the Newton's 3rd equation,

v^2=u^2+2as\\v^2=2gR\\v=\sqrt{2gR}

Now, at the bottom hemisphere the centripetal acceleration will act on the mass and the direction of this force is towards center,

a_c=\frac{v^2}{R}\\a_c=\frac{(\sqrt{2gR} )^2}{R}\\a_c=2g

Hence, the acceleration on the bottom of the hemisphere is equal to the 2g.

You might be interested in
5. During the annual shuffleboard competition, Renee gives her puck an initial speed of 9.32 m/s. Once leaving her stick, the pu
abruzzese [7]
V=0 v²=0, A=v-u/t. T=v-u/a. T= 0-9.32/-4.06 therefore time = 2.296 seconds
3 0
2 years ago
The newton is defined as the:
Orlov [11]

Answer:

b.

Explanation:

because of fhe speed an object when under the influence of earth gravitational field

tama po yan .

3 0
2 years ago
Read 2 more answers
Single Replacement: HCI + Zn
Kay [80]

During a single replacement, the Zn and H will switch places. That means the product formed will be ZnCl and H2.

4 0
3 years ago
do constructive inference occur when the compression of one wave meets up with the compression of a second wave
Ugo [173]

Answer:

Yes

Explanation:

There are two types of interference possible when two waves meet at the same point:

- Constructive interference: this occurs when the two waves meet in phase, i.e. the crest (or the compression, in case of a longitudinale wave) meets with the crest (compression) of the other wave. In such a case, the amplitude of the resultant wave is twice that of the original wave.

- Destructive interferece: this occurs when the two waves meet in anti-phase, i.e. the crest (or the compression, in case of a longitudinal wave) meets with the trough (rarefaction) of the other wave. In this case, the amplitude of the resultant wave is zero, since the amplitudes of the two waves cancel out.

In this problem, we have a situation where the compression of one wave meets with the compression of the second wave, so we have constructive interference.

6 0
2 years ago
2. In the pendulum lab, the period (swing time) was O a. the independent variable O b.graphed on the vertical-axis O c.graphed o
Nadya [2.5K]
B is appropriate answer
7 0
3 years ago
Other questions:
  • How do you know the earth is rotating on its axis
    9·1 answer
  • Compute the resistance in ohms of a silver block 10 cm long and 0.10 cm2 in cross-sectional area. ( = 1.63 x 10-6 ohm-cm)
    13·1 answer
  • Can somebody please help me.
    10·1 answer
  • The change of state from a gas to a liquid?
    6·2 answers
  • bakit itinuring angkop na angkop ang mga nilalamab ng ibong adarna sa kalinangan at kulturang pilipino​
    8·1 answer
  • Which refers to the rate of change in velocity?
    13·1 answer
  • If a model ship is scaled to the ratio of 1:1,200, what size is the real ship
    14·1 answer
  • When you add a resistor'in a series circuit the total resistance decreases in value.
    11·1 answer
  • If two black holes collide and they send out the gravitational waves and ripples, then what happens when 3 black holes collide?
    11·2 answers
  • The mean free path is the average distance traveled by a particle between collisions with other particles. Calculate the mean fr
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!