The statement the bigger an object is the smaller the force of gravity on the object is False.
The force of gravity is dependent on the mass and corresponding weight of
objects and not on the size. The force of gravity is directly proportional to
the mass and inversely proportional to the distance between them.
A bigger objectdoesn't translate to a bigger mass which the reason why the
assertion in the question is not true.
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Answer:
False
Explanation:
The force of gravity depends on the mass of an object as its directly proportional to mass. This is according to Newtons law of gravitation which states that the force of gravitation between two objects is directly proportional to the masses of the object and inversely proportional to their distance apart. An increase in an object mass will lead to an increase in the force of gravity.
The voltage is presented by the equation V = IR where V is voltage in V, I is current in amperes ad R is resistance in ohms. If a platinum wire has a resistance of 15 Ω and is connected across the terminals of a 3.0 V flashlight battery, the current can be solved through V= IR, 3.0 V = I (15 Ω), and the current is 0.2 A.
Răspuns:
1000 kg
Explicaţie:
Date date
t1 = 10 ° C
t2 = 293,15K = până la grad = 293,15-273 = 20,15 ° C
= 20 ° C aproximativ
Q = 418kJ = 418000J
c = 4180J / kg ° C
m =? Kg
Necesar:
Masa m în kg
Pasul doi:
Formulă:
Q = c * m * Δt
Q = c * m * (t2 -t1)
m = Q / c * (t2-t1)
Calculati:
m = 418000/4180 * (20-10)
m = 100 * 10 kg
m = 1000 kg
a. True
b. False
The statement ‘S-waves can travel through either rock or water’ is true. The answer is letter A. the S waves can pass to both rock and water because the distances between their molecules is shorter compared to air. That is why, when a wave passes through them, the vibration of energy can be easily transported.
If a horse has a kinetic energy of 29,400 Joules if the horse has a mass of 300 kilograms, then the speed of the horse would be 14 m / s.
Mechanical energy is the combination of all the energy in motion represented by total kinetic energy and the total stored energy in the system which is represented by total potential energy.
The expression for total mechanical energy is as follows
ME = PE + KE
As given in the problem a horse has a kinetic energy of 29,400 j if the horse has a mass of 300 kg,
The kinetic energy of the horse = 0.5 × 300 × v²
29400 = 150 × v²
v = 14 m / s
Thus , If a horse has a kinetic energy of 29,400 Joules if the horse has a mass of 300 kilograms, then the speed of the horse would be 14 m / s.
To learn more about mechanical energy here, refer to the link given below ;
#SPJ2
The pellets in a shotshell start to spread or scatter as soon as they are fired. This dispersion will increase as the pellets travel farther. Shotgun barrels feature a choke to regulate this pellet pattern. The shotgun barrel's choke is the constriction at the muzzle end.
How long is a shot string?
At 20 yards, it can be roughly 5 feet long, and at 30 yards, it can be 8 feet long. The variance is brought on by the pellets' distortion as they move along the barrel.
The full choke features the tightest shot pattern and is the tightest choke. The pellets are kept together for a longer distance thanks to this choke. It is typically used for shots that are further than 40 yards.
To learn more about barrels refer to:
#SPJ2