Answer:
u= 755 m/s
Explanation:
Lets take
Velocity of bullet = u m/s
The velocity of system after collision ,v= 5 m/s
m= 10 g = 0.01 kg
M= 1.5 kg
From linear momentum conservation( because there is no any external force on the system)
Pi= Pf
m u = ( m +m) v
0.01 x u= (1.5 + 0.01) x 5
u= 755 m/s
Answer:
The answer is 4.55 m/s!
Explanation:
I wish you luck with Acellus! We got 15 days left!
Please mark brainliest.
Answer:
6926.4J
Explanation:
Given parameters:
Mass of iron = 200g
Initial temperature = 100°C
Final temperature = 22°C
Unknown:
Amount of heat transferred to the water = ?
Solution:
The quantity of heat transferred to the water is a function of mass and temperature of the iron;
H = m c Ф
m is the mass of the iron
Ф is the change in temperature
C is the specific heat capacity of iron = 0.444 J/g°C
Now;
insert the parameters and solve;
H = 200 x 0.444 x (100-22)
H = 6926.4J
Marco Pantani set the ‘record’ when he averaged 6.63 W/kg
during the 1997 Tour. So the amount of calorie marco pantani expended can be
calculated by multiplying it by its mass and dividing by its efficiency
Calorie = (6.63 W/ kg) *(65 kg) *( 1 cal/s/ 4.19 W) *( 37.5
min)*( 60 s/ 1 min) / 0.25
Calorie = 925, 668 cal
The correct answer is (B) The force on A is exactly equal to the force on B. Two tiny beads are 25 cm apart with no other charges or fields present. Bead A carries 10 µC of charge and bead B carries 1 µC. The statement that<span> is true about the magnitudes of the electric forces on these beads is the force on A is exactly equal to B.</span>