Entomophagous insects feed on other insects
Indicate whether the statement is true or false.
T
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A heel bead is used to ________.
A) decrease the solar heat gain through glass. B) increase the R-value of glazing. C) decrease water infiltration through glazing. D) increase the wind-load resistance of glazing. E) none of the above.
Dairy cows of the Holstein breed produce more milk and also milk higher in percentage
solids than cows of the other dairy breeds. A. True B. False
In a truck front suspension in which the spring is fixed at one end by pin, which of the following components permits variations in spring length as the spring flexes?
A. mainspring eye B. rebound clips C. U-bolts D. spring shackles
A wire of length 20 cm vibrates in one direction in a constant magnetic field with a flux density of 0.1 T; see Figure P18.45. The position of the wire as a function of time is given by x(t) = 0.1 sin10t m. Find the induced emf across the length of the wire as a function of time.
Known quantities:
Length of the wire is 20cm ; Flux density is 0.1T ; The position of the wire is x(t)=0.1sin10tm
Find:
The induced emf across the length of the wire as a function of time.