4. Articule as duas orações dadas usando um pronome relativo. a) Aqui está o veículo. Solicitamos esse veículo.
b) Aqui está o veículo. Viajamos nesse veículo.
c) Aqui está o veículo. Precisamos desse veículo.
d) Aqui está o veículo. Sonhamos com esse veículo.
e) Aqui está o veículo. Optamos por esse veículo.
f) Aqui está o veículo. Queríamos esse veículo.

Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 10.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.90 m/s; (b) he is then lifted at the constant speed of 4.90 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 68.0 kg rescue by the force lifting him during each stage?

Which statement correctly describes the relationship between frequency and wavelength?

What is the name for the remnant of an asymptotic giant that has lost its shells? black dwarf white dwarf yellow giant black hole