Question

Construct a triangle XYZ in which YZ=3.8 cm , XY+XZ = 8.4 cm and angle XYZ = 45°​

Answer 1

Answer:

theforcewhichisopposingfrictionwillbe

totalforce−forceneededtomovetheblocks

f=ma

f=(5+5)(1)

=10newton

sothenetfrictionalforcewillbe

=30−10

=20newton

sothevalueofkwillbe

10k=20newton

k=

10

20

k=2

Answer 2

Step-by-step explanation:

The specific charge for positive rays is much less than the specific charge

for cathode rays. This is because: