Answer:
v ’= - 1.76 10⁻⁴ m / s
Explanation:
We can solve this problem using momentum conservation. Defined a system formed by the patient, his blood and the platform in such a way that the forces are internal and the moment is conserved
initial instnate. Before pumping
p₀ = 0
final instant. Right after the heart pumping
p_f = m v + M v'
where m is the mass of blood and M the mass of the patient + the platform
p₀ = p_f
0 = m v + M v’
v ’= -
let's calculate
v ’= - 0.30
v ’= - 1.76 10⁻⁴ m / s
Answer: Radio waves and light waves are both electromagnetic raidiations.
Explanation:
Does this help?
The answer is density
because density is equal to the mass/volume
Answer:
Velocity of a proton,
Explanation:
It is given that,
Potential difference,
Let v is the velocity of a proton that has been accelerated by a potential difference of 15 kV.
Using the conservation of energy as :
q is the charge of proton
m is the mass of proton
or
So, the velocity of a proton is . Hence, this is the required solution.
Answer: The velocity of the proton after it has traveled a distance of 80 cm is 5.1 × 10^6 m/s
Explanation: Please see the attachment below