Check my answers thanks!
1. A diesel automobile outputs ThermE, RadE, ElectE and KinE from an input of
a. NuclE
b. ChemE
c. ElectE
d. KinE
I think its b
Two race cars cross the finish line at exactly the same time but the first car is twice as massive as the second car. How much is the kinetic energy of the first car compared to the second car?
Twice as much, right?
3. A car doubles its speed while driving along the highway. How does the kinetic energy change?
Increases by a factor of two, correct?
4. The temperature increase in Joule's apparatus was proportional to?
nothing at all? correct?
5. What particle was hypothesized to account for missing energy in some nuclear decays (and later discovered)?
The neutron, right?
Corrija! soy un profesor de la física en España.
Three is wrong.
proportional to heat input
The last one can be electron (Beta particle.
1 answer