Physics, 03.03.2021 02:10 lilytimpsonx
WAEC 1989 A 117200
65. An electric heater immersed in some water raises the temperature of the water
from 40°C to 100°C in 6 minutes. After another 25 minutes, it is noticed that half the
water has boiled away. Neglecting heat losses to surrounding, calculate the specific latent
heat of vapourization of water.
Answers: 1
Physics, 22.06.2019 06:30
Which one of the following research methods can show cause and effect
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Physics, 22.06.2019 08:20
A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?
Answers: 3
Physics, 22.06.2019 10:00
**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z
Answers: 1
Physics, 23.06.2019 00:30
What is the speed vfinal of the electron when it is 10.0 cm from charge 1?
Answers: 1
WAEC 1989 A 117200
65. An electric heater immersed in some water raises the temperature of the wate...
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