26) Longer feet allow for more more surface area on the ground. This allows for more stability and a less likely chance of falling over.
30) It will appear as if you are throwing the ball at the same speed the train is traveling.
speed equals distance times time
Answer: C
Explanation: The atomic number of an element is determined by the number of protons because the number of protons in the nucleus of an atom is equal to the number of atoms.
Answer:
Force exerted = 25.41 kN
Explanation:
We have equation of motion
v² = u²+2as
u = 345 m/s, s = 8.9 cm = 0.089 m, v = 0 m/s
0² = 345²+2 x a x 0.089
a = -668679.78 m/s²
Force exerted = Mass x Acceleration
Mass of bullet = 38 g = 0.038 kg
Acceleration = 668679.78 m/s²
Force exerted = 25409.83 N = 25.41 kN
Answer:
The final speed will be "".
Explanation:
The given values are:
Potential difference,
Δv = 400 v
Radius,
r = 0.5580 cm
As we know,
⇒
and,
⇒
then,
⇒
On substituting the values, we get
⇒
⇒
⇒