Specific heat capacity.
As it has a greater specific capacity than wood, it takes more heat energy to increase it's temperature by 1 degree Celsius than that of wood. Hence, though both are at the same temperature, sand contains way more heat than wood.
Answer:
F = 2325 N
Explanation:
given,
mass of the car, m = 1550 Kg
initial speed, u = 10 m/s
final speed, v = 25 m/s
time, t = 10 s
Average net force = ?
acceleration of the car
a = 1.5 m/s²
we know
F = m a
F = 1550 x 1.5
F = 2325 N
Net average force applied on the car is equal to 2325 N.
If a bar of copper is brought near a magnet, the copper bar will be unaffected by the magnet.
Answer:
-4/7
Explanation:
Given the following
A=4i-10j and B= 7i+5j
A+ bB = 4i-10j + (7i+5j)b
A+ bB = 4i-10j + 7ib+5jb
A+ bB =
The vector along the x-axis is expressed as i + 0j
If the vector A+ bB is pointing in the direction of the x-axis then;
Hence the value of b is -4/7
Answer:
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