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
Bumek [7]
3 years ago
12

If an piano and an apple are dropped in a tunnel without air.which would hit the ground first

Physics
1 answer:
liq [111]3 years ago
4 0

Answer:

the piano.

Explanation:

You might be interested in
What is the speed of a high-speed electron traveling at right angles to a 0.80-tesla magnetic field with a force of -7.5 x 10^-1
serg [7]

Explanation:

Answer:

Magnetic field, B = 0.016 Tesla

Explanation:

It is given that,

Velocity of electron, v=9.6\times 10^5\ m/sv=9.6×10

5

m/s

Magnetic force, F=2.6\times 10^{-15}\ NF=2.6×10

−15

N

Charge, q=1.6\times 10^{-19}\ Nq=1.6×10

−19

N

The magnetic force is given by :

F=qvBF=qvB

B=\dfrac{F}{qv}B=

qv

F

B=\dfrac{2.6\times 10^{-15}}{1.6\times 10^{-19}\times 9.6\times 10^5}B=

1.6×10

−19

×9.6×10

5

2.6×10

−15

B=0.016\ TB=0.016 T

So, the magnitude of magnetic field is 0.016 Tesla. Hence, this is the required solution.

7 0
4 years ago
Puzzle 3
Hunter-Best [27]

Answer:

hagcsgdufgeuwuwgsgwhajisydcbeek

Explanation:

edowooooooww

4 0
4 years ago
A 20.0 F capacitor initially charged to 30.0 uC is discharged through a 3.00 k resistor. How long does it take to reduce the cap
Maslowich

Answer:

t = 0.04159 s

Explanation:

when a capacitor and resister are connected in series. charge on its plates decreases exponentially

q = qo * e^{\frac{-t}{RC}}

where,

CHARGE q  =15.0 C

INITIAL CHARGE q_0 = 30.0 uc

Resistor R = 20.0 F

capacitor C  = 3.00

15 = 30* e^{\frac{- t}{(20* 10^{-6} * 3* 1000)}

t = 0.04159 s

3 0
4 years ago
What does a photovoltaic cell do?
Pie

Answer:

last option

Explanation:

photovoltaic cell is when the sun's energy will be converted to as electricity causing an effect to create light for houses

8 0
3 years ago
Read 2 more answers
Can somebody help me with this quiz please
mezya [45]
Sure what do u need help with
4 0
3 years ago
Other questions:
  • Three people pull simultaneously on a stubborn donkey. Jack pulls eastward with a force of 64.7 N, Jill pulls with 61.5 N in the
    6·1 answer
  • When a muscle contracts, it performs work. It does this by A) converting chemical energy to mechanical energy. B) converting mec
    14·2 answers
  • what is the most likely reason that a hypothesis would be useful even if experiments show that is false
    13·2 answers
  • A ball is thrown straight upward with an initial velocity of 16m/s. What is its velocity at its highest point?
    7·1 answer
  • For an object to be in projectile motion, what force must be acting on it
    15·1 answer
  • What did Democritus discover?
    8·1 answer
  • Using EXACTLY 50 words write about why we study Geography<br><br> PLEASE HELP ME
    11·2 answers
  • A wheel rotates with a constant angular acceleration of 3.50 rad/s2. If the angular speed of the wheel is 2.00 rad/s at t = 0,
    13·1 answer
  • Will mark brainlist<br> THANKS!
    13·1 answer
  • If an object is accelerating, which of the following MUST be true?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!