A 75 kW engine is generating full power. It is able to provide a 800 kg aeroplane a speed…
Physics · JEE Main · NTA Exams — Work, Energy and Power
A 75 kW engine is generating full power. It is able to provide a 800 kg aeroplane a speed of 2.5 m/s. Find the fraction of engine power used. Take g = 10 m/s2.
- \(\frac{1}{100}\)
- \(\frac{4}{15}\)
- \(\frac{5}{200}\)
- \(\frac{3}{16}\)
Answer
(D) 3 16
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The relationship between force and position is shown in figure (in one dimensional case). The work done by…
- A running man has half the KE that a boy of half his mass has. The man speeds up by 1m/s and then has the…
- A body of mass 8 kg is moved by a force F=3 x newton, where x is the distance covered. Initial position is x…
- The work done by a force F = (-6 x^ 3 i ) N is displacing a particle from x = 4 m to x = –2 m is
- Two springs A and B have force constants k A and k B such that k B = 2k A . The four ends of the springs are…
- A meter stick of mass 400 g is pivoted at one end hangs vertically. The other end displaced through an angle…
- A body of mass m was slowly pulled up the hill by a force F which at each point was directed along the…
- A spring of force constant 800 N/m has an extension of 5 cm. The work done in extending it from 5 cm to 15 cm…
More Work, Energy and Power questions · Browse all practice questions