A car takes off from rest and covers a distance of 80m on...
A car takes off from rest and covers a distance of 80m on a straight road in 10s. Calculate the magnitude of its acceleration
1.25ms-2
1.60ms-2
4.00ms-2
8.00ms-2
Correct answer is B
s = ut+12at2
80 = 0 x 10 + 12 x a x 102
a = 8050=1.6ms2
In a good thermos flask, heat loss is reduced through the following features EXCEPT? ...
Mechanical energy can be either ...
Steel bars each of length 3m at 28°C are to be used for constructing a rail line. If the linear ...
The clinical thermometer is characterized by having a ...
The pitch of a sound note depends on ...
The wave theory of light does not explain photoelectricity because ...