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Len [333]
3 years ago
7

When you drop a ball it accelerates downward at 9.8 m/s2. If you instead throw it downward, then its acceleration immediately af

ter leaving your hand, assuming no air resistance, is
a. 9.8 m/s2.

b. more than 9.8 m/s2.

c. less than 9.8 m/s2.

d. Cannot say, unless the speed of throw is given.​
Physics
1 answer:
damaskus [11]3 years ago
6 0

Answer:

a. 9.8 m/s2.

Explanation:

The acceleration depends on the force of gravity. It's independent of the velocity of the ball.

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What is induced current​
Brrunno [24]

Answer:

A current can be induced in a conducting loop if it is exposed to a changing magnetic field. ... In other words, if the applied magnetic field is increasing, the current in the wire will flow in such a way that the magnetic field that it generates around the wire will decrease the applied magnetic field.

Explanation:

8 0
2 years ago
Two double bonds means that the total number of electrons being shared in the molecule is
torisob [31]

One double bond consists 4 electrons, so 2 double bonds means 8 electrons

7 0
3 years ago
Convert 70 mi/h to m/s. 1 mi = 1609 m.<br><br> Answer in units of m/s.<br><br> Plz help me now
melisa1 [442]

Answer:

70mi/h

1mile =1609 meters

1hour=3600 seconds

So,

70×1609/3600

112,630/3600

31.286 m/s

Hope this helps you

6 0
3 years ago
Dana is on a train traveling at a speed of 20 km/h. Dana walks from the front of the train to the back of the train at a speed o
dezoksy [38]

Answer:

Diana's speed relative to ground is <u>16 km/h</u> in the direction of motion of train.

Explanation:

Given:

Velocity of train in forward direction is, v_{t,g}=20\ km/h

Here, v_{t,g}\to \textrm{velocity of the train relative to ground.}

Velocity of Diana relative to train in the backward direction is, v_{D,t}=-4\ km/h

Negative sign implies backward motion or motion opposite to the direction of train's motion. Here, Diana is walking from front of train to back. So, Diana is moving in the opposite direction.

Now, we know that, for two bodies 'A' and 'B', velocity of 'A' relative to ground is given as:

v_{A,g}=v_{B,g}+v_{A,B}

Therefore, velocity of Diana relative to ground is given as:

v_{D,g}=v_{t,g}+v_{D,t}

v_{D,g}=(20-4)\ km/h

v_{D,g}=16\ km/h

So, Diana's speed relative to ground is 16 km/h in the direction of motion of train.

5 0
3 years ago
Silver has a density of 9.32 g/cm cubed. find the length of one side of a 184 g silver cube
Olin [163]

Answer: 2.70 cm

Given:

Density, d=9.32 g/cm^{3}

Mass, m=184 g

Formula Used:

Volume, V = density/mass

=\frac{184g}{9.32g/cm^{3}}\\ \Rightarrow V=19.7 cm^{3} \\ volume of cube = a^{3} where a is the side of the cube

a=19.7cm^{3} \\ \Rightarrow a=(19.7)^{(1/3)}\\ \Rightarrow a=2.70 cm

hence, the length of one side of silver cube is 2.70 cm


6 0
3 years ago
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