Question

pls its urgent
b) Density of copper is 8.4g/cm3
. Density of silver is 10.5g/cm3
. Find volume
of 48gm copper block and 150gm silver block.
c) A wood block has mass 20g and dimensions 4cm × 6cm × 8cm. Find the
density of the wood.
d) Describe a method for measuring volume of an irregular solid.
C. Long answer type questions.
1. Answer the following in detail:
a) Describe the term ‘capacity’.
b) Explain the method of measuring area of irregular shapes using a graph
paper.
c) How the lightness or the heaviness of an object is determined?
d) How do we compare fastness or slowness of a moving object?
2. Higher order thinking questions:
a) Which of the following relations are correct
i) Speed= distance × time
ii) Mass= density × volume
iii) Time= distance/speed
iv) Area of circle= πr2
b) A train covers a distance of 500km in 11 hours. Find the speed of train if it
stops for 15 min at four stations and assume the speed to be constant when it
is moving (ignore the change of speed for stopping and moving again).
c) How long does an object take to cover 575 m with speed of 10m/s?
d) What is the density of an object with mass 500gm and volume 12cm3?

Answer 1

Answer:

i

Explanation:

dont know this is so long