Question

please answer this .​

Answer 1

Answer:

Explanation:

(a) The density of s substance is 10 kilogram/m³

• True statement.

Ans) Density = Mass/Volume

• Kg/m³

(b) The length of a table is 3 m 25 cm.

• True statement

Ans) m can be converted to cm or cm can be converted to m to maintain the same units.

(c) The temperature at which water freezes is 273K.

• True statement

Ans) Water freezes at 273K and boils at 373K.

(d) A car travels at a speed of 50 m/s.

• True statement

Ans) Speed = Distance/Time

• m/s

(e) The force exerted by earth on a body of mass 2 Kgs is 20 Newton.

• False statement

Ans) The force exerted by earth on a body of mass 2 Kg is 20 Newton.