A pop-up toy is pushed down and set on the floor. Before it pops, what type of
energy does it mostly have?
A pop-up toy is pushed down and set on the floor. Before it pops, what type of
energy does it mostly have?
An object initially traveling at 30. m/s south accelerates uniformly at 5.0 m/s/s north and is displaced 10 meters. The final velocity of the object is....
A one euro Is dropped from the leaning Tower of Pisa . It stars from rest & Falls freely.
sketch label the location of the variables in the picture?. compute its position and velocity after 1.0s, 2.0, and 3.0s?
a motorcyclist heading east through small city Acelerates after he The sign post marking the city limits. this acceleration is a Constant 4.0m/s² at time t=0 he is 5.0 m east of the signpost tmoving east at 15 m / s.
Find the position and velocity at time t = 2.0s? when is the motorcyclist when his velocity id 25 / s ?
Calculate the critical frequency for the E layer if maximum ionic densities are 3 x 106
A.15.58 x 106
B.15.58 kHz
C.1.58 x 103
D.None of the above
Polarization of a wave is
A. direction of electric field
B. direction of magnetic field at some fixed point in space
C. either (a) or (b)
D. none of the above
Beamwidth (between first nulls) will be for an antenna at 3 MHz with directivity of 100
The length of half-wave antenna is at 30 MHz
A. 2.5 meter
B. 5 meter
C. 10 meter
D. 100 meter
For static magnetic field Maxwell's curl equation is given by
A. ∇ . B= μ0H
B. ∇ x B = 0
C. ∇ x B = μ0J
D. ∇ xB = μ0/t