I’m pretty sure the answer would be :
9.8m/s2
Explanation: gravity =9.8m/s2
Answer:
can u please write it correct like sorry I dont understand it
Answer:
Acceleration of that planet is 30
.
Given:
initial speed of hammer = 0 
time = 1 s
distance = 15 m
To find:
Acceleration due to gravity = ?
Formula used:
Distance covered by hammer is given by,
s = ut + 
s = distance
u = initial speed of hammer
t = time taken by hammer to reach ground
a = acceleration
Solution:
Distance covered by hammer is given by,
s = ut + 
s = distance
u = initial speed of hammer
t = time taken by hammer to reach ground
a = acceleration
u = 0
t = 1 s
s = 15 m
a = g
Thus substituting these value in above equation.
15 = 0 + 
g = 15 × 2
g = 30 
Thus, acceleration of that planet is 30
.
The block is made of A) Tin, as its specific heat capacity is 
Explanation:
When an amount of energy Q is supplied to a sample of material of mass m, the temperature of the material increases by
, according to the following equation
:
where
is the specific heat capacity of the material.
In this problem, we have:
m = 2 kg = 2000 g is the mass of the unknown material
is the amount of energy supplied to the block
is the change in temperature of the material
Solving the equation for
, we can find the specific heat capacity of the unknown sample:

And by comparing with tabular values, we can find that this value is approximately the specific heat capacity of tin.
Learn more about specific heat capacity:
brainly.com/question/3032746
brainly.com/question/4759369
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