Why was Cassini launched toward Venus if it is going to explore Saturn? The gravity of Venus will boost the speed of the space probe

The orbit of Venus is between Earth and Saturn

Venus is needed to reflect the radio signals to the probe

Your target variable is δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. write an expression for δf in terms of the relevant frequencies using the subscript notation introduced above.

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

How many times did thomas edison mess up the light bulb