Answer:
continue moving with constant velocity
Explanation:
Answer:
Quan sát sóng dừng trên sợi dây dài 60cm cố định hai đầu, thấy có 3 nút (bao gồm cả hai
nút hai đầu) và 2 bụng. Bước sóng của sóng lan truyền trên sợi dây là:
Elements are arranged from left to right and top to bottom in order of increasing atomic number.:)
Answer:
Explanation:
It is given that Hair dryer , Toaster and coffeepot are working simultaneously with power 1200 W , 700 W and 800 W respectively.
So the total power of system is 
it is given that they work properly until toast is on.
By switching on the toast, appliance stop working because it may cause the circuit to break to safeguard the circuit.
Circuit breaker frame are used in home to prevent the short circuit
Explanation:
H= mass× specific heat capacity×change in temperature
=2×380×(10-0)
=2×380×10
=7600Joules