Sobre un bloque de 40 N se aplica una fuerza de 15 N formando un ángulocon la horizontal de 25° como se muestra en la figura. Si el bloque adquiere una aceleración de 1.52, calcularel coeficiente de fricción cinético

Which statement best describes who the period and frequency of electromagnetic was change between gamma rays and microwaves? a) the period and frequency stay the same. b) the period increases and the frequency decreases. c) the period decreases and the frequency increases. d) the period increases and the frequency increases.

If the wheels lock when braking suddenly the vehicle: a: loses traction b: lose steering wheel ability c: gain speed slightly d: gain steering ability

Idon’t quite understand this problem