Answer:
तिकडी एकच
Explanation:
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Answer:
A. & B. Heat energy is needed to convert solid into a liquid because heat energy increases the kinetic energy of the particles. The heat energy that it used to change 1 kg of solid into liquid at atmospheric pressure and at its melting point is called the latent heat of fusion.
Answer:
The contact angle is the angle, conventionally measured through the liquid, where a liquid–vapor interface meets a solid surface.
Explanation:
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Answer:
6.67×10⁻⁸ cm³/g/s²
Explanation:
6.67×10⁻¹¹ Nm²/kg²
= 6.67×10⁻¹¹ (kg m/s²) m²/kg²
= 6.67×10⁻¹¹ m³/kg/s²
= 6.67×10⁻¹¹ m³/kg/s² × (100 cm/m)³ × (1 kg / 1000 g)
= 6.67×10⁻⁸ cm³/g/s²
Larry's average speed is
(total distance) / (total time).
Speed = (80 km) / (60 min) = 80 km/hr .
Larry's average velocity is
(distance between start- and end- points),
in the direction from the start-point to the end-point.
Velocity = (40 km east) / (60 min) = 40 km/hr east .
