how fast should a man of mass 50 kg run so that his kinetic energy a 625 J ?
Answers
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anxiety as families grapple with getting the basics done all while keeping their loved ones safe and healthy. Widespread misinformation about the virus puts everyone at risk and adds to the stress of having to filter fact from fiction. While research into the COVID-19 virus is ongoing, we know the virus is transmitted through direct contact with respiratory droplets of an infected person (through coughing and sneezing), and touching surfaces contaminated with the virus. The virus may survive on surfaces for a few hours up to several days. The good news? Simple disinfectants can kill it. Now what does this mean for your home?To give parents a helping hand, we compiled the latest expert information on what is known about COVID-19 and tips to help keep it out of your home
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Answer:
v=5m/s
Explanation:
Mass=50kg
Kinetic energy =625J
v=?
Using the relation
:
KE=
2
1
mv
2
625=
2
1
×50×v
2
v=5m/s