Question

A school bus traveling at 40 km/hr.(11.1m/s) has a momentum of 152625 kg .m/s ?

Answer 1

Answer:

mass of bus = 13750kg

Step-by-step explanation:

p =m*v

152625 =m*11.1

152625/11.1=m

13750=mass

Answer 2

The mass of bus=13750 kg

Step-by-step explanation:

Momentum of bus=P=152625 kg

Speed of bus=v=40km/hr=$\frac{5}{18}\times 40=11.1 m/s$

Using $1km/hour=\frac{5}{18}m/s$

We know that

Momentum=P=mv

Using the formula

$152625=m\times 11.1$

$m=\frac{152625}{11.1}$kg

$m=13750 kg$

Hence, the mass of bus=13750 kg

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