60 s, 20 m, 100 cm, 78 km

A uniform thermometre scale is at steady state with its 0 cm mark at 20°C and 100 cm mark at 100°C . Temperature of the 60 cm mark is-

Two sound sources shown in the figure vibrate in phase. By moving S_(1) along PS_(1) consecutive minima are heard when L_(1)-L_(2) has values, 20cm , 60cm and 100cm . What is the frequency of sound source if the speed of sound is 340 m//s ?

If the maximum speed and acceleration of a particle executing SHM is 20 cm//s and 100pi cm//s^2 , find the time period od oscillation.

Shows a copper rod moving with velocity v parallel to a long straight wire carrying current = 100 A . Calculate the induced emf in the rod, where v = 5 m S^(-1) , a = 1 cm , b = 100cm .

The wheels on the old-time bicycle shown in diagram have radii of 60.0 cm and 10.0 cm If the larger wheel is rotating at 12.0 rad s^(-1) What is the angular speed of the smaller wheel ?

Find the third proportional to : 1 m 60 cm, 40 cm

Find the areas of the rectangles whose sides are :(a) 3 cm and 4 cm (b) 12 m and 21 m (c) 2 km and 3 km (d) 2 m and 70 cm

The separation between two consecutive crests in a transverse wave is 100 m. If wave velocity is 20 m s^(-1) , find the frequency of wave.

The separation between two consecutive crests in a transverse wave is 100 m. If wave velocity is 20 m s^(-1) , find the frequency of wave.

Convert the following values as indicated. 8456 mm into m , cm and km