Answer:
He's 3 miles west of school.
Explanation:
He went 5 miles up and 5 miles down which means that he really didn't go up or down. In between that, he went 3 miles west so if the 5 milers don't count, this puts him at 3 miles west of school.
Answer:
25J
Explanation:
Kinetic energy = 1/2 mv²
Mass = m= 0.5kg
Velocity = v = 10m/s
K. E = 1/2 x 0.5 x 10 x 10
K. E = 0.5 x 5 x 10
K. E = 2.5 x 10
K. E = 25 J
The S. I unit of energy is joules with symbol J
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Answer:
t15 kg
Explanation:
add then subtract blah blah blah
Is the initial velocity or time given?
Answer:
The volume of the block is equal to the volume of water displaced by the block.
Explanation:
Volume refers to the amount of space occupied by a given object (in this case the block). When an object such as the block is immersed in water, it displaces its own volume of water. This volume of water displaced is equal to the volume of the block. Hence we can write;
Final Volume of water - Initial Volume of water= Water Displaced = Volume of the block
Recall that the density of a body is given by;
Density= mass/volume
If we obtain the volume of the block by measuring the volume of water displaced by the block, then we weigh the block using a weighing balance, we can obtain the density of the block easily from the relationship shown above.
